每個社會都是。但，自私不是社會的唯一基礎。

來源: 老忽叔叔於 2012-12-17 09:08:47 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.