When you calculate a number

来源: 屋漏痕 于 2011-03-29 10:59:45 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (255 bytes)

16%, for example, you want it to mean something.  If you hear another number, say 9%, you want to say since 16>9, the first one is better.  However, the way you calculated your return makes it hard to make a comparison. 

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