来自《耶鲁大学开放课程—哲学：死亡 第23集 第23集》

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  whether or not we're mortal.
  不管我们的生命是否有限
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  And yet, for all that,
  然而 尽管如此
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  it seems as though mortality adds an extra risk,
  有限的生命增加了额外的风险
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  an extra danger of blowing it.
  搞砸生活的额外风险
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  Look, suppose we lived forever
  假设我们可以永生
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  and just have a kind of simplistic example.
  假设一个最简单的例子
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  You might say, imagine somebody who spends his eternity
  比方说 有人用他无限的生命
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  counting the integers--1, 2, 3, 4, 5, 6.
  数整数 一二三四五六
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  Well, that might not be as valuable as
  这可能没有用无限的生命
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  an eternity spent doing something else,
  做其它事那么有价值
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  let's say, doing more complicated math.
  比方说 做更复杂的数学研究
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  But still,
  然而