来自《耶鲁大学开放课程：博弈论 第10集 第10集 第10集》

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  If the player, and these are professional baseball players doing this,
  对于职业棒球队员来说
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  they've been very well trained,
  除了要接受着严格的训练意外
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  a lot of money has been spent on getting the tactics right.
  还要花费巨资来研究战术
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  There's people sitting there who are paid to get the tactics right.
  有那么一些人会花钱请战术专家
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  If it was the case that the return to base stealing
  如果你选择尝试盗垒的预期收益
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  wasn't roughly equal when you attempt to steal or didn't attempt to steal,
  与选择不去盗垒的收益不相等的话
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  then you shouldn't be randomizing.
  那你就不应该选择随机化了
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  Since you are randomizing it must be the case that
  既然你选择了随机化
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  the returns are roughly equal.
  那么两者的预期收益必然相等
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  So that's the first thing to observe
  这是首先要明确的问题
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  and the second thing to observe is what we just pointed out.
  第二点我们刚才提到过了
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  In fact, the value of having a fast base stealer on the team
  实际上 速度较快的盗垒者的价值