来自《耶鲁大学开放课程：心理学导论 第10集 第10集》

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  We are afraid of snakes because, really,
  我们惧怕蛇的真正的原因是
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  our ancestors who weren't afraid of snakes
  我们那些不怕蛇的祖先们
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  didn't reproduce as much as those that were.
  后代不如那些怕蛇的祖先们多
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  We like chocolate bars and we enjoy NASCAR.
  我们喜欢巧克力 我们喜欢纳斯卡赛车
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  Those cannot be adaptations
  这些不可能有适应目的
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  because chocolate bars and NASCAR are recent developments
  因为巧克力和纳斯卡赛车是近代的产物
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  that could not have been anticipated by evolution.
  进化论可预期不到他们的出现
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  Those are easy questions.
  这些问题容易回答
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  Here are some hard questions.
  但这些就很难了
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  Music. Everywhere in the world people like music.
  音乐 世界上每个地方的人都喜欢音乐
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  Is this an adaptation
  这是某种进化而来的
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  for some selective advantage or is it an accident?
  适应性呢 或者仅仅是个意外