But,

来源: by心言 于 2016-01-14 08:55:16 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (211 bytes)
回答: To make beef and pork tender, 由 by心言 于 2016-01-14 08:53:06

something rich in color is usually from chemical food colors, tomato red is commonly  used in all restaraunts. It is OK when only a tiny amount is added, but some may happen to put a lot in.

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