Can you steal the most powerful wand in the wizarding world? - Dan Finkel

760,183 views

2023-01-26 ใƒป TED-Ed


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Can you steal the most powerful wand in the wizarding world? - Dan Finkel

760,183 views ใƒป 2023-01-26

TED-Ed


์•„๋ž˜ ์˜๋ฌธ์ž๋ง‰์„ ๋”๋ธ”ํด๋ฆญํ•˜์‹œ๋ฉด ์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค.

๋ฒˆ์—ญ: ๊ด€์›… ๋ฌธ ๊ฒ€ํ† : DK Kim
00:06
The fabled Mirzakhani wand is the most powerful magical item ever created.
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์ „์„ค์ ์ธ ๋ฏธ๋ฅด์ž์นด๋‹ˆ ๋งˆ์ˆ  ์ง€ํŒก์ด๋Š”
์ง€๊ธˆ๊นŒ์ง€ ๋งŒ๋“ค์–ด์ง„ ๊ฐ€์žฅ ๊ฐ•๋ ฅํ•œ ๋งˆ๋ฒ• ๋„๊ตฌ์ž…๋‹ˆ๋‹ค.
00:12
And thatโ€™s why the evil wizard Moldevort is planning to use it
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๊ทธ๋ž˜์„œ ์‚ฌ์•…ํ•œ ๋งˆ๋ฒ•์‚ฌ ๋ชฐ๋“œ๋ณดํŠธ๋Š”
์ด ๋งˆ์ˆ  ์ง€ํŒก์ด๋กœ ์„ธ์ƒ์„ ์ •๋ณตํ•˜๋ ค ํ•˜์ฃ .
00:15
to conquer the world.
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00:17
You and Drumbledrore have finally discovered its hiding place in this cave.
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์—ฌ๋Ÿฌ๋ถ„๊ณผ ๋“œ๋Ÿผ๋ธ”๋“œ๋กœ์–ด๋Š”
๋งˆ์นจ๋‚ด ์ด ๋™๊ตด์—์„œ ์ง€ํŒก์ด๊ฐ€ ์ˆจ๊ฒจ์ง„ ๊ณณ์„ ์ฐพ์•˜์Šต๋‹ˆ๋‹ค.
00:23
The wand is hidden by a system of 100 magical stonesโ€”
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๋งˆ์ˆ  ์ง€ํŒก์ด๋Š” ๋ฐ˜์ง์ด๋Š” ํฐ ๋Œ์„ ๋น„๋กฏํ•ด
00:27
including a glowing keystoneโ€” and 100 platforms.
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์‹ ๋น„ํ•œ ๋Œ ๋ฐฑ ๊ฐœ์™€ ๋ฐ›์นจ๋Œ€ ๋ฐฑ ๊ฐœ๋กœ ๋œ ์žฅ์น˜๋กœ ์ˆจ๊ฒจ์ ธ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.
00:32
If the keystone is placed on the correct platform,
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ํฐ ๋Œ์„ ์•Œ๋งž์€ ๋ฐ›์นจ๋Œ€ ์œ„์— ์˜ฌ๋ ค๋†“์œผ๋ฉด
00:35
the wand will be revealed.
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๋งˆ์ˆ  ์ง€ํŒก์ด๊ฐ€ ๋‚˜ํƒ€๋‚  ๊ฒƒ์ž…๋‹ˆ๋‹ค.
00:37
If placed incorrectly, the entire cave will collapse.
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๋งŒ์•ฝ ์—‰๋šฑํ•œ ๊ณณ์— ์˜ฌ๋ฆฌ๋ฉด ๋™๊ตด ์ „์ฒด๊ฐ€ ๋ฌด๋„ˆ์ง‘๋‹ˆ๋‹ค.
00:42
The keystone is immune to all magic, but the other stones aren't,
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ํฐ ๋Œ์—๋Š” ์–ด๋–ค ๋งˆ๋ฒ•๋„ ํ†ตํ•˜์ง€ ์•Š์ง€๋งŒ ๋‹ค๋ฅธ ๋Œ๋“ค์€ ์•„๋‹™๋‹ˆ๋‹ค.
00:46
meaning you can pick them up and cast a placement spell,
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๋Œ์„ ์ง‘์–ด ๋“ค๊ณ  ๋ฐฐ์น˜ ์ฃผ๋ฌธ์„ ๊ฑธ๋ฉด
00:49
and the platform that stone belongs on will glow.
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๊ทธ ๋Œ๊ณผ ์ง์ธ ๋ฐ›์นจ๋Œ€์—์„œ ๋น›์ด ๋‚ฉ๋‹ˆ๋‹ค.
00:53
Place all 99 stones correctly
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๋Œ 99๊ฐœ๋ฅผ ์•Œ๋งž๊ฒŒ ๋†“๊ณ  ๋‚˜๋ฉด
00:55
and the final platform must be the keystoneโ€™s correct resting place.
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๋งˆ์ง€๋ง‰์— ๋‚จ์€ ๋ฐ›์นจ๋Œ€๋Š” ํฐ ๋Œ๊ณผ ์ง์ธ ๊ฒƒ์ด๊ฒ ์ฃ .
01:00
Youโ€™re about to get started when one of Moldevortโ€™s henchmen arrives
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์ด์ œ ๊ณง ์‹œ์ž‘ํ•˜๋ ค๋Š”๋ฐ, ๋ชฐ๋“œ๋ณดํŠธ์˜ ๋ถ€ํ•˜๊ฐ€ ๋‚˜ํƒ€๋‚˜๋”๋‹ˆ
01:03
and irreversibly seals a random stone to a random platform.
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์•„๋ฌด ๋Œ ํ•˜๋‚˜๋ฅผ ๋“ค์–ด ์•„๋ฌด ๋ฐ›์นจ๋Œ€์— ๋ถ™์—ฌ ๋ฒ„๋ ธ์Šต๋‹ˆ๋‹ค.
01:08
If you need to place a stone that belongs on a platform that's already occupied,
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๋งŒ์•ฝ ๋Œ์„ ์˜ฌ๋ ค๋†”์•ผ ํ•  ๋ฐ›์นจ๋Œ€์— ์ด๋ฏธ ๋‹ค๋ฅธ ๋Œ์ด ์žˆ๋Š”๋ฐ
01:13
your spell will make some random unoccupied platform glow instead.
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์ฃผ๋ฌธ์„ ๊ฑธ๋ฉด ๋‹ค๋ฅธ ์•„๋ฌด ๋นˆ ๋ฐ›์นจ๋Œ€๊ฐ€ ๋Œ€์‹  ๋น›๋‚  ๊ฒ๋‹ˆ๋‹ค.
01:19
What are your odds of placing the keystone on the correct platform?
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ํฐ ๋Œ์„ ๋งž๋Š” ๋ฐ›์นจ๋Œ€์— ๋†“์„ ํ™•๋ฅ ์€ ์–ผ๋งˆ๋‚˜ ๋ ๊นŒ์š”?
01:24
Pause now to figure it out for yourself. Answer in 3
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์—ฌ๊ธฐ์„œ ๋ฉˆ์ถ”๊ณ  ์ƒ๊ฐํ•ด๋ณด์„ธ์š”. [์ •๋‹ต 3์ดˆ ์ „]
01:26
Answer in 2
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[์ •๋‹ต 2์ดˆ ์ „]
01:28
Answer in 1
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[์ •๋‹ต 1์ดˆ ์ „]
01:32
Letโ€™s imagine we knew everything about this situation.
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์šฐ๋ฆฌ๊ฐ€ ๋ชจ๋“  ๊ฒƒ์„ ์•Œ๊ณ  ์žˆ๋‹ค๊ณ  ๊ฐ€์ •ํ•ด ๋ด…์‹œ๋‹ค.
01:35
With perfect knowledge, we could label the stones 1 to 100,
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๋ชจ๋“  ๊ฒƒ์„ ๋‹ค ์•ˆ๋‹ค๋ฉด
1๋ถ€ํ„ฐ 100๊นŒ์ง€ ๋Œ์„ ๋†“์„ ์ˆœ์„œ์— ๋”ฐ๋ผ์„œ
01:39
based on the order we plan to place them,
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๋Œ์— ์ˆซ์ž๋ฅผ ๋งค๊ธธ ์ˆ˜ ์žˆ๊ณ 
01:41
and label the platforms they belong on in the same way.
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๊ฐ™์€ ๋ฐฉ์‹์œผ๋กœ ๋Œ๊ณผ ์ง์ธ ๋ฐ›์นจ๋Œ€์— ์ˆซ์ž๋ฅผ ๋งค๊ธธ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
01:45
Weโ€™ll label the stone the henchmen placed as 1,
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๋ถ€ํ•˜๊ฐ€ ๋ถ™์—ฌ ๋ฒ„๋ฆฐ ๋Œ์„ 1๋ฒˆ์œผ๋กœ ํ‘œ์‹œํ•  ๊ฒ๋‹ˆ๋‹ค.
01:48
meaning it was supposed to go on platform 1,
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1๋ฒˆ ๋Œ์€ 1๋ฒˆ ๋ฐ›์นจ๋Œ€์— ๊ฐ”์–ด์•ผ ํ–ˆ๋‹ค๋Š” ๋œป์ด์ฃ .
01:51
and the keystone as 100, belonging on platform 100.
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ํฐ ๋Œ์€ 100๋ฒˆ์œผ๋กœ ํ•˜๊ณ , 100๋ฒˆ ๋ฐ›์นจ๋Œ€๋กœ ๊ฐ€๋ฉด ๋ฉ๋‹ˆ๋‹ค.
01:56
Of course, we donโ€™t know which platform is which,
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๋ฌผ๋ก , ์šฐ๋ฆฌ๋Š” ์–ด๋–ค ๋ฐ›์นจ๋Œ€๊ฐ€ ๋ช‡ ๋ฒˆ์งธ์ธ์ง€ ๋ชจ๋ฅด๋‹ˆ๊นŒ
01:59
so the numbering of the platforms is actually invisible to us.
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์‚ฌ์‹ค ๋ฐ›์นจ๋Œ€์˜ ๋ฒˆํ˜ธ๋Š” ๋ณด์ด์ง€ ์•Š์ฃ .
02:03
There are three possibilities:
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๊ฐ€๋Šฅ์„ฑ์€ ์„ธ ๊ฐ€์ง€์ž…๋‹ˆ๋‹ค.
02:05
one, that first stone was placed randomly onto its own platform,
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์ฒซ์งธ, ์•„๋ฌด๋ ‡๊ฒŒ๋‚˜ ๋ถ™์ธ ๋Œ์ด ์ œ์ž๋ฆฌ์— ๋ถ™์€ ๊ฒฝ์šฐ์ž…๋‹ˆ๋‹ค.
02:10
in which case, youโ€™re guaranteed to succeed.
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์ด ๊ฒฝ์šฐ, ์„ฑ๊ณต์ด ๋ณด์žฅ๋ฉ๋‹ˆ๋‹ค.
02:13
Two, it was placed on the keystoneโ€™s platform and youโ€™re doomed to fail.
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๋‘˜์งธ, ๊ทธ ๋Œ์ด ํฐ ๋Œ์˜ ๋ฐ›์นจ๋Œ€์— ๋ถ™์€ ๊ฒƒ์ด๋ผ๋ฉด
๊ทธ๋Œ€๋กœ ์‹คํŒจ์ฃ .
02:18
But most likelyโ€” scenario threeโ€” it was placed somewhere else.
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ํ•˜์ง€๋งŒ ์„ธ ๋ฒˆ์งธ, ๊ฐ€์žฅ ๊ฐ€๋Šฅ์„ฑ์ด ํฐ ๊ฒฝ์šฐ๋Š”
๊ทธ ๋Œ์ด ๊ทธ ์™ธ์— ๋‹ค๋ฅธ ๋ฐ›์นจ๋Œ€๋กœ ๊ฐ„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
02:23
Suppose the henchman placed stone 1 on, say, platform 45.
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๋ถ€ํ•˜๊ฐ€ 1๋ฒˆ ๋Œ์„ 45๋ฒˆ ๋ฐ›์นจ๋Œ€์— ๋†“์•˜๋‹ค๊ณ  ๊ฐ€์ •ํ•ด๋ด…์‹œ๋‹ค.
02:27
Then youโ€™d place stone 2 on platform 2,
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๊ทธ๋Ÿผ ์—ฌ๋Ÿฌ๋ถ„์€ 2๋ฒˆ ๋Œ์„ 2๋ฒˆ ๋ฐ›์นจ๋Œ€์— ๋†“์œผ๋ฉด ๋˜๊ณ ,
02:31
3 on 3, and so on, until you got to stone 45.
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3๋ฒˆ์€ 3๋ฒˆ์—, ์ด๋Ÿฐ ์‹์œผ๋กœ 45๋ฒˆ์ด ๋‚˜์˜ฌ ๋•Œ๊นŒ์ง€ ํ•˜๋Š” ๊ฑฐ์ฃ .
02:35
Its platform being taken, a random platform would light up.
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45๋ฒˆ ๋ฐ›์นจ๋Œ€๋Š” ์ฐจ ์žˆ์œผ๋ฏ€๋กœ, ๋‹ค๋ฅธ ์•„๋ฌด ๋ฐ›์นจ๋Œ€๊ฐ€ ๋น›๋‚  ๊ฒ๋‹ˆ๋‹ค.
02:39
And here, there are three possibilities:
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์ด์ œ ๊ฒฝ์šฐ์˜ ์ˆ˜๋Š” ์„ธ ๊ฐ€์ง€์ž…๋‹ˆ๋‹ค.
02:42
If itโ€™s platform 1, youโ€™ll win,
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1๋ฒˆ ๋ฐ›์นจ๋Œ€๊ฐ€ ๋น›๋‚œ๋‹ค๋ฉด, ์—ฌ๋Ÿฌ๋ถ„์˜ ์Šน๋ฆฌ์ž…๋‹ˆ๋‹ค.
02:44
because all of the remaining stones will go to the correct platforms.
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๋‚จ์€ ๋ชจ๋“  ๋Œ๋“ค์ด ์ œ์ž๋ฆฌ๋ฅผ ์ฐพ์•„ ๊ฐˆ ๊ฑฐ๋‹ˆ๊นŒ์š”.
02:48
If platform 100 lights up, you lose,
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100๋ฒˆ ๋ฐ›์นจ๋Œ€๊ฐ€ ๋น›๋‚œ๋‹ค๋ฉด, ์—ฌ๋Ÿฌ๋ถ„์˜ ํŒจ๋ฐฐ์ž…๋‹ˆ๋‹ค.
02:51
because the keystoneโ€™s spot will be taken.
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ํฐ ๋Œ์˜ ์ž๋ฆฌ๊ฐ€ ์—†์–ด์ง€๋‹ˆ๊นŒ์š”.
02:54
Any other platform, and youโ€™re essentially back where you started,
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๋‹ค๋ฅธ ๋ฐ›์นจ๋Œ€๊ฐ€ ๋น›๋‚œ๋‹ค๋ฉด, ์‹œ์ž‘ํ•  ๋•Œ์™€ ๋™์ผํ•œ ์ƒํ™ฉ์œผ๋กœ ๋Œ์•„์˜จ ๊ฒ๋‹ˆ๋‹ค.
02:57
just with 54 remaining stones and one on the wrong platform.
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๋‹ค๋งŒ ๋‚จ์€ ๋Œ์ด 54๊ฐœ์ด๊ณ  ์ž˜๋ชป ์˜ฌ๋ ค์ง„ ๋Œ์ด ํ•˜๋‚˜ ์žˆ๋Š” ๊ฑฐ์ฃ .
03:02
In that scenario, letโ€™s say the spell tells us to place stone 45 on platform 82.
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์ฃผ๋ฌธ์ด ๊ฐ€๋ฆฌํ‚ค๋Š” 45๋ฒˆ ๋Œ์˜ ์ž๋ฆฌ๊ฐ€
์ด๋ฒˆ์—” 82๋ฒˆ ๋ฐ›์นจ๋Œ€๋ผ๊ณ  ๊ฐ€์ •ํ•ด๋ด…์‹œ๋‹ค.
03:08
Then we place 46 to 81 correctly, and 82 at random.
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๊ทธ๋Ÿผ 46๋ฒˆ์—์„œ 81๋ฒˆ์€ ๋งž๊ฒŒ ๋ฐฐ์น˜ํ•˜๊ณ  82๋ฒˆ ๋Œ์„ ์•„๋ฌด ์ž๋ฆฌ์— ๋†“์Šต๋‹ˆ๋‹ค.
03:13
And here we reach the same three possibilities:
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์ด์ œ ๋˜๋‹ค์‹œ ์„ธ ๊ฐ€์ง€ ๊ฒฝ์šฐ๊ฐ€ ์ƒ๊น๋‹ˆ๋‹ค.
03:16
pedestal 1, you win, pedestal 100, you lose,
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1๋ฒˆ ๋ฐ›์นจ๋Œ€์— ๋†“์œผ๋ฉด ์Šน๋ฆฌ์ด๊ณ , 100๋ฒˆ์— ๋†“์œผ๋ฉด ํŒจ๋ฐฐ์ฃ .
03:20
any other, you continue the process.
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๋‹ค๋ฅธ ๊ฒฝ์šฐ๋ผ๋ฉด ๊ณ„์† ์ด์–ด ๋‚˜๊ฐ‘๋‹ˆ๋‹ค.
03:23
In other words, youโ€™re playing a game where you have equal chances
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๋‹ค๋ฅธ ๋ง๋กœ ํ•˜๋ฉด, ์—ฌ๋Ÿฌ๋ถ„์ด ํ•˜๋Š” ๊ฒŒ์ž„์€
์ด๊ฑฐ๋‚˜ ์งˆ ํ™•๋ฅ ์€ ๊ฐ™๊ณ 
03:27
to win and lose,
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03:28
and some chance to delay the decisive moment.
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๊ฒฐ์ •์ ์ธ ์ˆœ๊ฐ„์„ ๋ฏธ๋ฃฐ ํ™•๋ฅ ๋„ ์žˆ๋Š” ๊ฒŒ์ž„์ž…๋‹ˆ๋‹ค.
03:32
No matter how many times this process repeats,
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์ด ๊ณผ์ •์„ ์–ผ๋งˆ๋‚˜ ๋งŽ์ด ๋ฐ˜๋ณตํ•˜๋Š”์ง€์™€๋Š” ์ƒ๊ด€์—†์ด,
03:35
youโ€™ll inevitably either place a stone on pedestal 1 or pedestal 100
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ํฐ ๋Œ์— ๋„๋‹ฌํ•˜๊ธฐ ์ „์— ๋ฐ˜๋“œ์‹œ ํ•œ ๋ฒˆ์€
1๋ฒˆ ๋ฐ›์นจ๋Œ€๋‚˜ 100๋ฒˆ ๋ฐ›์นจ๋Œ€์— ๋Œ์„ ๋†“์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค.
03:40
before you reach the keystone.
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03:42
Thatโ€™s all that determines whether you succeed or fail,
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์˜ค์ง ๊ทธ ์ˆœ๊ฐ„๋งŒ์ด ์„ฑ๊ณต๊ณผ ์‹คํŒจ๋ฅผ ๊ฒฐ์ •ํ•˜๊ณ 
03:45
and critically, the chances of those events are equal.
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๊ฒฐ์ •์ ์œผ๋กœ ๋‘˜์˜ ํ™•๋ฅ ์€ ์ •ํ™•ํžˆ ๊ฐ™์ฃ .
03:49
This can be unintuitive, so letโ€™s imagine another, similar game.
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์ง๊ด€์ ์ด์ง€ ์•Š์„ ์ˆ˜ ์žˆ์œผ๋‹ˆ ๋‹ค๋ฅธ ๋น„์Šทํ•œ ๊ฒŒ์ž„์„ ์ƒ์ƒํ•ด ๋ด…์‹œ๋‹ค.
03:53
Say Drumbledrore magically generates numbers from 1 to 100.
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๋“œ๋Ÿผ๋ธ”๋„์–ด๊ฐ€ ๋งˆ๋ฒ•์œผ๋กœ 1์—์„œ 100๊นŒ์ง€ ์ค‘ ํ•˜๋‚˜๋ฅผ ๋ฝ‘์Šต๋‹ˆ๋‹ค.
03:57
If itโ€™s a 1, you win.
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1์„ ๋ฝ‘์œผ๋ฉด ์Šน๋ฆฌ์ด๊ณ  100์„ ๋ฝ‘์œผ๋ฉด ํŒจ๋ฐฐ์ž…๋‹ˆ๋‹ค.
03:59
If itโ€™s 100, you lose.
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04:01
If itโ€™s anything else, he picks again.
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๊ทธ ์™ธ ๋‹ค๋ฅธ ์ˆซ์ž๋ฉด ๋‹ค์‹œ ๋ฝ‘์Šต๋‹ˆ๋‹ค.
04:04
Since the odds of winning by getting 1 are the same as losing by getting a 100,
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1์„ ๋ฝ‘์•„ ์ด๊ธธ ํ™•๋ฅ ์€ 100์„ ๋ฝ‘์•„ ์งˆ ํ™•๋ฅ ๊ณผ ๊ฐ™๊ธฐ ๋•Œ๋ฌธ์—
04:09
this is a game youโ€™re just as likely to win as to lose.
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์ด๊ฒƒ์€ ๋˜‘๊ฐ™์€ ํ™•๋ฅ ๋กœ ์ด๊ธฐ๊ฑฐ๋‚˜ ์ง€๋Š” ๊ฒŒ์ž„์ž…๋‹ˆ๋‹ค.
04:13
It might take a while, but the delays donโ€™t give an advantage
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์‹œ๊ฐ„์€ ์ข€ ๊ฑธ๋ฆฌ๊ฒ ์ง€๋งŒ
100๋ณด๋‹ค ๋จผ์ € 1์„ ๋ฝ‘๋“  ๊ทธ ๋ฐ˜๋Œ€์ด๋“  ์ด๋“์€ ์—†์Šต๋‹ˆ๋‹ค.
04:16
to getting a 1 before 100, or vice versa.
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04:19
The same essential reasoning applies to our situation.
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๋™์ผํ•œ ๋ณธ์งˆ์  ์ถ”๋ก ์ด ์šฐ๋ฆฌ์˜ ์ƒํ™ฉ์— ์ ์šฉ๋ฉ๋‹ˆ๋‹ค.
04:23
Youโ€™re debating whether itโ€™s worth risking a 50/50 chance of a cave-in
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ํ™•๋ฅ ์ด ๋ฐ˜๋ฐ˜์ธ ๋™๊ตด์— ๋“ค์–ด๊ฐˆ ๋งŒํ•œ์ง€ ๊ณ ๋ฏผํ•˜๋Š”๋ฐ
04:28
when Drumbledrore reveals his secret weapon:
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๋“œ๋Ÿผ๋ธ”๋“œ๋กœ์–ด๊ฐ€ ๋น„๋ฐ€ ๋ฌด๊ธฐ๋ฅผ ๊ณต๊ฐœํ–ˆ์Šต๋‹ˆ๋‹ค.
04:31
a rare felush felucious potion,
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ํฌ๊ท€ํ•œ ์•„์ฃผ ์•„์ฃผ ์ข‹์€ ์•ฝ์ธ๋ฐ
04:34
which grants extraordinary luck for a brief period of time.
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์ž ๊น ๋™์•ˆ ์—„์ฒญ๋‚œ ํ–‰์šด์„ ๊ฐ€์ ธ๋‹ค ์ค๋‹ˆ๋‹ค.
04:38
Thereโ€™s a 1 in 100 chance the keystoneโ€™s platform was taken
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๋งˆ์ง€๋ง‰ ๋Œ์˜ ๋ฐ›์นจ๋Œ€๋กœ ์ฒซ ๋ฒˆ์งธ ๋Œ์ด ๊ฐ€๋ฒ„๋ฆฌ๋ฉด์„œ
๊ณง๋ฐ”๋กœ ํŒจ๋ฐฐํ•  ํ™•๋ฅ ์€ 100๋ถ„์˜ 1์ธ๋ฐ,
04:42
by the first stone and youโ€™ve lost already,
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04:45
but otherwise, youโ€™ve got even odds to win or lose.
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๊ทธ๋ ‡์ง€๋งŒ ์•Š๋Š”๋‹ค๋ฉด ์ด๊ธฐ๊ฑฐ๋‚˜ ์งˆ ํ™•๋ฅ ์€ ๊ฐ™์ฃ .
04:49
And right now, youโ€™re feeling lucky.
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๊ทธ๋ฆฌ๊ณ  ๋ฐ”๋กœ ์ง€๊ธˆ, ์˜ˆ๊ฐ์ด ์ข‹์Šต๋‹ˆ๋‹ค.
์ด ์›น์‚ฌ์ดํŠธ ์ •๋ณด

์ด ์‚ฌ์ดํŠธ๋Š” ์˜์–ด ํ•™์Šต์— ์œ ์šฉํ•œ YouTube ๋™์˜์ƒ์„ ์†Œ๊ฐœํ•ฉ๋‹ˆ๋‹ค. ์ „ ์„ธ๊ณ„ ์ตœ๊ณ ์˜ ์„ ์ƒ๋‹˜๋“ค์ด ๊ฐ€๋ฅด์น˜๋Š” ์˜์–ด ์ˆ˜์—…์„ ๋ณด๊ฒŒ ๋  ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๊ฐ ๋™์˜์ƒ ํŽ˜์ด์ง€์— ํ‘œ์‹œ๋˜๋Š” ์˜์–ด ์ž๋ง‰์„ ๋”๋ธ” ํด๋ฆญํ•˜๋ฉด ๊ทธ๊ณณ์—์„œ ๋™์˜์ƒ์ด ์žฌ์ƒ๋ฉ๋‹ˆ๋‹ค. ๋น„๋””์˜ค ์žฌ์ƒ์— ๋งž์ถฐ ์ž๋ง‰์ด ์Šคํฌ๋กค๋ฉ๋‹ˆ๋‹ค. ์˜๊ฒฌ์ด๋‚˜ ์š”์ฒญ์ด ์žˆ๋Š” ๊ฒฝ์šฐ ์ด ๋ฌธ์˜ ์–‘์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์˜ํ•˜์‹ญ์‹œ์˜ค.

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