this first sentence( and the 2nd) is not in your previous post.

来源: hello2002 于 2021-07-21 15:09:34 [] [旧帖] [给我悄悄话] 阅读数 : (267 bytes)
本帖于 2021-07-21 15:14:32 时间, 由版主 hello2002 编辑
回答: Read the article again 由 柠檬椰子汁 于 2021-07-21 14:14:06

these 2 sentences are the fundamentals to all the definitions you quoted. and they were missing in your first post here.

i dont normally click on the link. just read your post most of the time. i eblieve many of the readers here are the same.

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