要論述一個主題，總應該先明白基本的概念，否則，就等於炫耀自己的無知了。善意提醒，lee 先生見諒。

來源: 江天雲月於 2023-02-11 04:42:24 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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