什麽都不是絕對的。代與代之間的幫助是文明的體現。越高級的動物，這方麵體現得越強。

來源: borisg 於 2024-04-13 13:33:53 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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