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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  where again he had to worry about randomizing which convoys to protect.
  当时他需要决定要掩护哪只部队
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  And the way in which he...
  他用的方法是
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  He figured out that randomizing was the right thing to do
  他发现随机选择是掩护这些
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  to try and protect these convoys
  执行护送任务的为数不多的部队
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  as well as he could with small numbers of troops.
  最明智的办法了
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  And the way in which he randomized was he literally randomized.
  他实现随机化的方法是真正意义上的随机
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  Every morning he put a bit of paper in his hand
  每天早上他都把一些纸团放在手中
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  and he had somebody, had one of his sergeants,
  然后叫他的中士们每个人都
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  pick which hand the paper was in.
  从他手中的纸团里挑一个
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  So we do actually see these random strategies used.
  我们已经对随机策略的应用有所了解了
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  The reason we have to literally randomize is
  我们需要严格真正意义上的随机化是因为
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  because it's very difficult to do so
  这其实并不容易办到