来自《耶鲁大学开放课程：基础物理 第13集 第13集》

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  two people can simultaneously look down on each other.
  两个人会同时看不起对方
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  You figure that out.
  这个问题你们就自己探索吧
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  There are two people who simultaneously have
  两个人在同一件事上都觉得
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  higher opinion of themselves to the other person
  自己的想法比对方的更高一筹
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  at the same thing, they look down on each other.
  对于同一事实 他们都小瞧对方
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  I have not found how many space dimensions I should embed
  我不知道要把这些人
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  these people to make that possible.
  放到几维空间里才合适
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  But this is certainly correct that
  但理论肯定是正确的
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  spatial resolution does give the impression.
  空间变换的确会引发错觉
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  So here's the answer that's usually given to explain this to you.
  这句话也是以下现象的原因
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  If I take a real clock like this watch here
  假设你拿着个真正的表 比方说这块表
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  and I ask you why does it look slow to you
  我问你 为什么当我相对你移动时