来自《耶鲁大学开放课程：博弈论 第16集 第16集》

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  As you're further away there's a lower probability of hitting.
  当你们距离越远时击中率越低
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  Now I'm not going to assume that these two players have equal abilities.
  我现在不假设他们投掷水平相同
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  For example, I don't know;
  我不清楚他们的水平
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  I didn't ask them but one of our two football players might be
  他们可能一个是四分卫
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  a quarterback and the other one might be a linebacker or a running back.
  另一个是后卫或是跑卫
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  And I'm assuming the quarterback is probably more accurate,
  后卫也许更准确
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  is that right?
  对吗
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  So I'm not going to assume that they're equally good,
  我不假设他们水平相同
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  so it could be that their abilities look like this.
  也许他们差不多
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  This could be P1[d],
  这是P1[d]
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  and this could be P2[d].
  那是P2[d]
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  Everyone okay with that?
  没人有异议吧