相比之下，次级债部门只占到美国GDP总量的百分之7到10。

By contrast, the subprime mortgage sector represented about 7-10 percent of U.S. GDP.

youdao

相比之下，次级债部门只占到美国GDP总量的百分之7到10。

By contrast, the subprime mortgage sector represented about 7-10 percent of U.S. GDP.

youdao