来自《耶鲁大学开放课程：政治哲学导论 第4集 第4集》

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  The most famous climb upward, although we will not actually read
  也许我们不会在课堂上阅读这些部分
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  these parts for this class, concerns the climb to the divided line,
  最著名的向上爬是关注了向线寓的攀登
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  the famous image of the divided line in Book VI,
  即第六卷的著名的线寓的形态
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  and the ascent to the world of the imperishable forms.
  以及向有着不灭形态的世界的上升
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  Then, in the last book of the Republic, Book X,
  而后 在《理想国》的最后一部分 即第十卷中
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  there is, once again, a descent to the underworld, to the world of Hades.
  又一次地 有着一次向地下世界 向着地狱世界的下沉
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  The work is not, in a sense, written simply as a sort of
  在某种意义上 这本著作不仅仅是作为
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  timeless philosophical treatise, but as a dramatic dialogue with a setting,
  永恒的哲学专著而撰写的 更是作为一部有着设施和演员
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  a cast of characters and a firm location in time and place.
  而且有着固定的时间和地点的戏剧对话
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  Let's say a little more about that time and place
  让我们再多说点儿有关句子中提到的
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  already indicated in the sentence, "I went down to the Piraeus."
  时间和地点的事情 "我往下走到了比雷埃夫斯"
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  Plato was born in 427,
  柏拉图出生于公元前427年