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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  I go back to 1848, the Communist Manifesto, and deal with this.
  追溯1848年的《共产党宣言》
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  So the major themes for the lecture today
  因此 本堂课的主旨就是
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  is I want to elaborate on the theory of exploitation in Marx,
  详细阐述马克思的剥削理论
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  his idea of classes in history,
  马克思关于阶级的历史演变的思想
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  and finally to ask the question, how many classes are there?
  最后讨论究竟有多少个阶级的问题
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  Marx seems to have contradictory answers to this question.
  马克思在这个问题上的答案自相矛盾
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  And this is certainly a question
  而且这个问题
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  which still fascinates people who are studying society,
  仍然吸引着那些研究社会
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  social stratification or class structure.
  社会阶层 以及阶级结构的人们
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  Of course the answer seems to be obvious probably to most of you.
  对于你们大多数人来说答案是明确的
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  Yeah, in the United States there is one class, the middle class;
  在美国只有一个阶级 中产阶级
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  we are all middle class. Right?
  我们都是中产阶级