面朝黄土背朝天，土的学问真是多。谢土老师鼓励。

来源: 美西游子于 2012-02-12 09:14:13 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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面朝黄土背朝天， 土的学问真是多。谢土老师鼓励。