三人行必有我师 = open mind

来源: GuestNewBoy 于 2013-10-19 17:00:22 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (97 bytes)

三人行必有我师 = open mind; the concept is so simple and totally right, why you can't figure out?

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