嗯，長知識了。對營養而言，它的作用基本是bell 形的，有個合適的範圍，多了少了都不好。

來源: 吃與活於 2016-01-28 17:48:51 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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