随心取物,“道法自然”的朴素哲学,加上没有文字,很难归纳总结形成知识体系。这应当就是落后的根源！谢谢转帖

来源: greenlawn 于 2016-08-14 18:44:47 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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