来自《耶鲁大学开放课程：博弈论 第7集 第7集》

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  I'm going to claim that assuming that products are not identical,
  我认为假设产品不同
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  is a pretty safe assumption for most of the world,
  对大多数人来说很容易被接受
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  for most things that you're going to see in the world.
  对多数情况来说
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  So we're going to look at what are
  那么我们来看一下什么叫
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  called differentiated products.
  差异型产品
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  In particular, we're going to look at a particular version
  我们来从一个特殊的角度看一下
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  of this that we're going to call the linear city model.
  我们称之为线性城市模型
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  So what do I mean by products being differentiated?
  我所说的产品被分化了是什么意思呢
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  So I started off with an example
  我以一个例子作为开始
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  that's pretty bad for this story,
  一个不太恰当的例子
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  namely, Coke and Pepsi.
  即 可口可乐和百事可乐
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  Now be honest,
  老老实实