对相乘性假设有点疑问，预期寿命就像木桶中的水，水量不是由最长、而是由最短木板决定。

来源: pichawxc 于 2026-02-03 08:54:46 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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