来自《耶鲁大学开放课程：现代社会理论基础 第13集》

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  the industrial working class in the United States
  美国的工人阶级数量
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  is probably not more than 15% of the population.
  大概不超过总人口的15%
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  So where is the middle class?
  那么中产阶级在哪里呢
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  So well I don't have much time.
  时间不多了
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  Let's rush through of this.
  我们得尽快讲完这个
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  Well he said there is, you know, these elemental confrontations
  马克思说 在资产阶级与无产阶级之间
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  between the bourgeoisie and the proletariat.
  存在着根本的对立
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  Well he does not have the theory of exploitation;
  那时他还没提出剥削理论
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  he cannot explain it quite well.
  所以不能很好地解释它
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  And you can do it by now, armed with Das Kapital. Right?
  而此时学过《资本论》的你们却可以
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  This is a contradiction because, you know,
  这是一个矛盾
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  the proletariat has no choice
  因为无产阶级别无选择