来自《耶鲁大学开放课程：博弈论 第12集 第12集》

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  so to be a polygamist.
  可以占有多个配偶
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  Presumably to do that well a good idea,
  这么做的大概是个好主意
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  a thing that would go well with that strategy is to be huge.
  但是这个策略要求雄海象体格壮硕
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  So you could imagine the successful male elephant seal
  所以你可以想像得到作为首领的海象
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  being an enormous animal.
  一定是体形巨大的
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  It looks like a sort of a linebacker in football
  这和足球里的后卫有点像
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  and basically fights off all other big elephant seals that show up.
  这个首领要击败所有挑战它的大个海象
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  But it turns out,
  但结果会是
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  I think I'm right in saying if I did my research correctly,
  先说如果我做的调研没有问题会更好
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  this is true among northern elephant seals
  在北半球的海象的确是这样的
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  but not true among southern elephant seals,
  但在南半球的海象就不一样了
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  so the Arctic not the Antarctic,
  北极和南极是不一样的