让我们再来看看史密斯先生一家这每月２２００多美元是怎么消费的。头一笔，也是最大和最重要的一笔开销是还房债。３０年债期，７％利率的定期房屋贷款，像一座无形的大山，把史密斯先生压得透不过气来。他必须三十年如一日地工作，不能被解雇，更不能生大病，才能把债务... Let us look again at a Mr. Smith this month more than 2,200 US dollars how to consume. The first sum, the largest and most important sum of money, is the repayments of debt. The 30-year debt, 7% interest rate term home loan, like an invisible mountain, smothered Mr. Smith. He must work thirty years in a row, can not be dismissed, but can not cause illness, in order to debt ...