So far, defaults have hit only three of the mortgage tranches it has rated.
So far, defaults have hit only three of the mortgage tranches it has rated.
到目前为止，在标准普尔进行评级的抵押贷证券中,只有三种遭受了违约冲击。
So far, defaults have hit only three of the mortgage tranches it has rated.
到目前为止，在标准普尔进行评级的抵押贷证券中,只有三种遭受了违约冲击。