来自《耶鲁大学开放课程—哲学：死亡 第19集 第19集》

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  that would enjoy an eternal existence.
  会享受永生
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  And I think that's probably right.
  也许你说得不错
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  So scientists have learned how to do the following.
  科学家已经做过如下的实验
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  There are certain--
  有一些...
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  you can take a rat and put an electrode in his brain.
  你可以在老鼠大脑中植入一个电极
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  If you put the electrode in just the right place,
  如果电极位置正确
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  then when the electrode gets turned on,
  那么当电极通电
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  it stimulates the pleasure center in the rat's brain
  它就会刺激老鼠的快乐中枢
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  and it gets a little burst of pleasure,
  使它获得一阵快感
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  a pretty intense burst of pleasure.
  很强烈的一阵快感
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  And in fact, you can take the wire, the electrode,
  实际上 你可以把电极和导线
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  and hook it up to a lever and teach the rat
  接到一个控制杆上 然后教老鼠