来自《耶鲁大学开放课程：博弈论 第2集 第2集》

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  That's illegible, but what it says is
  这也是有点拗口 但他的意思就是
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  rational and knowledge that other people are rational.
  理性的你知道呢的对手也是理性的
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  Now how about the next slice after that?
  接下来呢
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  Well now I need to be rational,
  我自己已经是理性的了
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  I need to know that other people are rational,
  我也知道对手也是理性的
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  and I need to know that other people know
  我还需要知道对手们明白
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  that other people are rational.
  他们的对手也是理性的
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  So to get this slice, this next slice here, I need rationality;
  要剔除这个范围 需要理性因素
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  as some of you know
  可能有些人知道
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  that's widely criticized in the social sciences these days.
  这一点最近社会科学界广受质疑
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  Are we right to assume that people are rational?
  人是理性的这个假设是否正确
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  To get this slice I need rationality,
  想要剔除这个范围我首先得理性