複雜化是大忌，抓住事物的本質，就會簡單。我用的這個指標，是很簡單，但到目前還沒看到誰用過。

來源: LingYuan 於 2020-02-04 23:27:35 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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