来自《耶鲁大学开放课程：博弈论 第20集 第20集》

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  they choose--or each chooses I should say--each chooses,
  他们选择 应该是各自选择
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  whether to fight or to quit.
  攻击或者退出
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  So F means fight and Q means quit,
  F表示攻击 Q表示退出
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  and they make this choice simultaneously.
  他们会同时给出选择
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  The game ends as soon as someone quits.
  博弈一方退出后立即结束
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  So there's good news and bad news for this game.
  对于这个博弈有个好消息和坏消息
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  Let's do the good news first.
  先说好消息
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  The good news is that
  好消息就是
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  if the other player quits first
  如果另一方先退出
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  you win a prize.
  你将获得奖励
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  Generally we'll call this prize V,
  我们把奖励标为V
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  but we'll play for some cash in a minute.
  稍候我们用具体的钱代替