来自《耶鲁大学开放课程：博弈论 第13集 第13集》

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  If she puts in 0 she gets 0,
  如果她放0美元就获得0美元
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  if she puts in 1 she knows II will match
  如果她放1美元她知道对方也会如此
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  and she'll double her money and get 1,
  她能得到双倍的回报又获得1美元
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  and if she puts in 3,
  但是如果她放3美元
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  then she knows Player II will take the money and run,
  她知道参与人II会携款逃跑的
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  in which case our lender will have lost $3.
  这也就意味着要损失3美元
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  So she's choosing between 0,1 and -3
  她实际上在从0 1 -3中选择
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  and she's going to choose $1,
  她当然要选择1美元这个方案了
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  which is exactly what happened in the game.
  这在之前的游戏里已经得到应验
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  Everyone happy with how we did that?
  大家是不是都看明白了
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  So this idea of starting at the last player, the player who moves last,
  从最后一个行动的参与人开始分析并找出
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  solving out what they're going to and then working our way
  他们会怎么做 然后再回头选择