来自《耶鲁大学开放课程—哲学：死亡 第24集 第24集》

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  or the modest container theory.
  还是"有限价值容器"理论
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  So, here's an example of what a life might look like.
  好的 这里是一种生活
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  It's going along pretty well and then things get worse.
  最初一切都很好 然后事情逐渐变坏
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  And things sort of deteriorate.
  生活质量逐渐恶化
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  And let's suppose this point represents
  我们假设这一点代表
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  when you would die of natural causes, natural death.
  你自然死亡的时间
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  So, towards the end,
  所以 越接近死亡
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  life's not as great as it was when you were young
  生活越不像你年轻时候那么如意
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  and vigorous and healthy
  精力充沛 身体健康
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  and had all sorts of opportunities and accomplishments.
  充满机遇和成就
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  But still, till the very end, it stays positive.
  但是 一直到死 它都是正数
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  Well, if that's what your lifeline would look like,
  如果你的生活是这样的