求翻译：二是1985-1991年美国住房抵押贷款证券化规模继续扩大，同时又相继出现了汽车贷款、信用卡应收款、贸易应收款等金融资产证券化是什么意思？

Second, the 1985-1991 scale of the U.S. mortgage securities continued to expand at the same time have appeared in auto loans, credit card receivables, trade receivables and other financial asset securitization

2, 1985 - In 1991 the United States mortgage securitization continued to grow, while at the same time have a car loan, credit card receivables, trade receivables and other financial asset securitization

Two is 1985-1991 year American housing mortgage loan securitization scale continues to expand, simultaneously appeared the auto loan, the credit card one after another should receive money, the trade should receive money and so on the financial property securitizations

Second, 1985-1991 United States continues to expand the scale of housing mortgage loan securitization, while have appeared the car loans, credit card receivables, securitization of trade receivables and other financial assets

正在翻译，请等待...