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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  Well, I think everybody would agree we have color vision
  我想每个人都会认同我们的彩色视觉
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  as an adaptation because of the advantages it gives us
  作为一种适应性使我们在
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  for seeing and making visual distinctions.
  看东西以及视觉辨别时占有优势
• 
  
  We are afraid of snakes.
  我们怕蛇
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  We're going to talk about that in more detail
  我们以后会更细节的讨论这个问题
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  but there's a straightforward adaptive story about that.
  但是这里有个很简单的解释
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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