来自《耶鲁大学开放课程：心理学导论 第14集》

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  and if you ask people,
  如果你问人们
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  particularly college students,
  特别是问大学生
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  particularly just fresh from spring break
  尤其是春季刚入学的新生
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  I've seen teen movies
  我看过青春电影
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  they'll often answer, "Sex."
  他们通常会回答 性
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  or some word that is synonymous with sex.
  或者是与性意义相同的字眼
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  But there's a kind of a puzzle
  但我们究竟会在性上花费多少时间
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  about how much time we spend on sex.
  这仍然是个谜题
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  And it turns out there is data on this.
  关于这方面是有数据的
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  So, people say sex is their favorite activity,
  人们说性是他们最喜欢的事情
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  but it turns out we actually know
  但实际上我们知道
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  how much time the average American spends on sex.
  美国人花在性上的平均时间