賺錢與公益是硬幣的兩個麵: 取得和給出. 當取得完全滿足個人需求時, 給出就變得合理.

來源: 虎落平原於 2012-11-19 11:41:34 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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