来自《耶鲁大学开放课程—哲学：死亡 第1集 第1集》

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  Every single thing that we discuss here
  每一件我们在这讨论的
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  could be pursued at greater depth.
  都有可能到一个更深的境界
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  So, for example, we'll spend whatever it is,
  例如 我们会花时间讨论一些问题
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  maybe a week and a half talking about
  也许用了一个半星期谈论
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  the nature of personal identity, two weeks.
  个人同一性 或许花了两星期
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  But one could easily spend an entire semester
  但是也有人会花一整个学期
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  thinking about that question alone.
  独自思考那个问题
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  So don't come away thinking that whatever it is
  所以不管我们讨论什么
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  that we've talked about here in lecture
  都不要以为那些
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  is the last word on the subject.
  只能在课堂上思考
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  Rather, it's something more like first words.
  更确切地说 它只是这个问题的开始
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  Actually, one other word about the readings and the lectures.
  我还想再说一点关于阅读材料的事