来自《耶鲁大学开放课程：金融市场 第2集 第2集》

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  You don't have to count all the leaves on the tree,
  你不必数树上所有的叶子
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  you can take a sample and you count that and then you multiply.
  你可以抽样 然后计数 再相乘即可
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  Anyway, the story ends and Nala goes back
  不管怎样 在故事结尾 那勒回去了
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  and is now armed with probability theory, we assume.
  我们知道他已经掌握了概率论的知识
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  He goes back and gambles again,
  他回到祖国并且再次求赌
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  but he has nothing left to wager except his wife,
  但除了妻子 他别无赌资
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  so he puts her and gambles her.
  所以他以她作赌注
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  But remember, now he knows what he's doing and
  不过要记住 现在他知道自己在做什么
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  so he really wasn't gambling his wife--
  所以他并不是真的要拿妻子来冒险
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  he was really a very pure and honorable man.
  他真的是个很纯洁并且值得尊敬的人
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  So he won back the entire kingdom and that's the ending.
  于是他赢回了整个王国 故事就此结束
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  Anyway, that shows that I think probability theory
  不管怎样 这个故事表明概率论