你上当了，要买Top Sirloin。便宜的标Sirloin steak，不是同一个部位。请看：

来源: uptrend 于 2013-12-17 12:32:49 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

http://en.wikipedia.org/wiki/Sirloin_steak

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