讲的没错！他的标题错了，里面的计算是对的，ROI应该基于投资多少，而不是基于财产的总价值！

来源: hhtt 于 2019-12-03 19:32:07 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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