来自《耶鲁大学开放课程：博弈论 第7集 第7集》

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  It doesn't really matter,
  这其实无所谓
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  let's just think of it as being a mile long.
  就想象成一英里长吧
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  We're going to assume that
  我们假设
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  consumers are evenly spread along this city.
  消费者均匀分布在这个城市中
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  So there's basically consumers everywhere,
  所以基本上到处都是
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  they're evenly distributed and we're going to assume
  他们均匀地分布并且我们假设
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  that one of these firms,
  其中的一家公司
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  let's call it Firm 1 sits at point 0
  公司1的地址座落在0点
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  and the other firm, firm 2, sits at point 1.
  而另外一家公司 公司2座落在1点
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  Now, this is what you're going to do in the homework assignment,
  这是你们需要在家庭作业上完成的内容
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  but I'm just going to make the argument that
  值得一提的是
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  you could also imagine firms sitting somewhere between 0 and 1.
  你们也可以想象公司在0和1间任何地方