来自《耶鲁大学开放课程：心理学导论 第6集 第6集》

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  And here you get a potential infinity of sentences.
  这样你就能得到潜在的无限数量的句子
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  And this is obviously a toy example
  这只是个小例子
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  but you could see the use of recursion
  但在日常生活和日常用语中
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  in everyday life and in everyday use of language.
  递归的应用极为广泛
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  You could say, "John hates cheese,"
  你可以说 "约翰讨厌乳酪"
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  "My roommate heard a rumor that John hates cheese,"
  "我的室友听说约翰讨厌乳酪"
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  "It disturbed Mary
  "我告诉玛丽
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  when I told her that my roommate heard a rumor
  我室友听说约翰讨厌乳酪时
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  that John hates cheese,"
  玛丽很困扰"
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  "I was amazed that it disturbed Mary
  "我告诉玛丽
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  when I told her that my roommate heard a rumor
  我室友听说约翰讨厌乳酪时
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  that John hates cheese,"
  玛丽很困扰 这让我很吃惊"