A grave reality is that these people bought their houses when the economy was prosperous, so the money to pay the mortgage is also calculated based on their better income. When the income declined, the pressure on the mortgage increased as a result of floating nature of some subprime mortgage plans. Thus, the real estate problems of these American families gradually evolved into a real estate crises.
一个严重的事实是这些人都是在经济较好的时候买的房子，所以支付房贷的钱也是以他们较好的收入来计算的，当收入出现了下滑的时候，房贷的压力不仅没有减少甚至因为一些次贷计划变得浮动增加，于是此消彼长之下这些美国家庭的房地产问题就这么逐步演变成为了房地产的危机。