来自《耶鲁大学开放课程：博弈论 第9集 第9集》

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  and hence I can set Venus' payoffs equal to one another.
  那么我就可以令维纳斯的两种收益相等
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  Say that again,
  再解释一遍
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  I found the way in which Serena is mixing
  由于维纳斯也混合自己的策略
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  by knowing that if Venus is mixing,
  她的两种收益必然相等
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  her expected payoffs must be equal
  由此可以得出塞丽娜混合的概率
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  and I solved out for Serena's mix, this is Serena's mix.
  这样我也就解出了塞丽娜的混合策略
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  Let's do it again.
  我们再来一遍
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  Here I'm wishing I had another board.
  希望还有一块没用过的黑板
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  I don't want to lose those numbers entirely,
  我可不想把这些数字都擦掉
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  so I'm going to try and squeeze in a bit.
  只好在这边挤一挤了
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  I know what I can do.
  我知道该怎么办了
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  Let's get rid of this one entirely.
  把这块黑板推上去吧