来自《耶鲁大学开放课程：现代社会理论基础 第9集 第9集》

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  and even more specifically,
  更确切的说
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  historical materialism, to describe what he was doing.
  历史唯物主义 来描述他的成就
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  But in his early work
  但是在他的早期作品中
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  he was shying away from materialism
  他避免使用唯物主义
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  and he used the term naturalism.
  而使用自然主义
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  And naturalism really meant that you do not underestimate
  自然主义意味着你不能低估
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  the importance of consciousness in spirit,
  精神中意识的重要性
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  just in the interaction with consciousness and spirit,
  只不过在意识 精神和自然当中
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  and the nature itself,--you pay more attention to nature.
  你更加注重自然
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  Now Feuerbach's most important book--
  费尔巴哈最重要的著作
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  I don't think it is in English--
  我想它不是用英文写的
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  The Essence of Christianity,
  《基督教的本质》