来自《耶鲁大学开放课程：心理学导论 第7集》

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  You might imagine this is because
  你可能会想这是因为
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  this strip is lighter than this
  这边的条纹比那边亮
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  but it isn't.
  但不是的
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  They're the same.
  它们是一样的
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  And you won't believe me
  除非你将它打印出来 仔细观察
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  until you actually print it out and take a look,
  否则你是不会相信我刚才说的这话的
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  but they are in fact the same.
  但是 实际上它们确实是一样亮
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  I'll show it to you.
  即使我打印出来给你看
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  And you could say I'm tricking you
  你也可能说我是唬你的
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  but this is the way it works.
  但它确实就是这样
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  There's the close-up.
  来看这个特写
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  So, remember we're comparing this and this.
  记好我们要对比的是这两个