Just a guess, most likely wrong :-)

来源: 7grizzly 于 2014-11-19 13:59:17 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: The bran is harder to digest and 由 7grizzly 于 2014-11-19 13:58:03
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