押注国足在世界杯上胜巴西，一样可以有不止5500%的回报。回报率越高代表可能性越小，这么简单道理。

来源: mme.potato 于 2011-06-22 15:17:41 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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