Facebook和騰訊主業是社交，微軟和yahoo主業不是社交

來源: 白果樹下於 2014-12-03 21:24:39 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

你是在問麥當勞的烤鴨為什麽做不過全聚德

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