这仅是大致思维通俗化比喻，不懂的人好理解，具体比这复杂有内外层次寒热虚实等，用一两句话很难涵盖

来源: jck66 于 2018-02-13 19:49:18 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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