if they lived there, they earned some money

The saved rent is what they earn. They also got some tax benefit.

As the investment, they lost the opportunity of doubling their money.

所有跟帖: 

several figures -比花花还花- 给 比花花还花 发送悄悄话 比花花还花 的博客首页 (426 bytes) () 03/31/2010 postreply 11:16:06

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