The trend reflects the depressed housing market, the difficulty of obtaining mortgages and the attraction of paying off mortgage debt while interest rates are at historic lows. 该趋势反映了房地产市场的低迷，在利率位于历史低位的情况下难以获取抵押贷款，付清抵押债务的吸引力加大。
The U.S. housing market, which touched off the global financial crisis when banks overexposed themselves to bad mortgage debt, continued to show signs of distress. 在众多银行曝光存在不良抵押债务后，受世界金融危机影响的美国房地产业仍然处于持续低迷中。
