信用评级的失误和证券化，使得问题抵押贷款转换成有毒金融资产。

Failures in credit rating and securitization transformed bad mortgages into toxic financial assets.

youdao

信用评级的失误和证券化，使得问题抵押贷款转换成有毒金融资产。

Failures in credit rating and securitization transformed bad mortgages into toxic financial assets.

youdao