来自《耶鲁大学开放课程：博弈论 第8集 第8集》

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  So let me try and lean in here, lean my way. Yeah can you? Thanks.
  你尽量靠我这边来 好的
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  If you were to put exactly 50/50 then that would be an equilibrium.
  如果按照50/50分布也会是一种均衡
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  Good, so if the crowd had split 50/50 that would also be an equilibrium.
  没错 50/50这种分布也是一种均衡
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  Right, but the key word there is what?
  正解 但是这里的关键问题是什么呢
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  The key, 50/50 is the key word. What's the other key word there?
  50/50是个关键词 还有什么关键词
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  Exact; it really has to be exact for this to work.
  恰好 必须是恰好才可以
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  And since I'm hand waving a bit
  你们看到了我的手势了吧
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  because equilibrium are always exact statements,
  均衡是有严格规定的术语
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  but can people see what's going on here?
  那你们知道这是什么意思吗
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  So if people split exactly 50/50,
  如果人们是按50/50分布的
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  right split the class down the middle,
  正好是从教室中间分开的
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  I start off by splitting it this way into tall people and short people,
  之前我是这样区分大个子和小矮子的