Their portfolios of retained mortgages and mortgage-backed securities add up to no less than $1.4 trillion.

他们的保留抵押贷款和有财力支持的抵押贷款证卷增加到了不少于1.4万亿。

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They could borrow at an interest rate only a bit over the Treasury rate and then accumulate large portfolios of mortgages and mortgage-backed securities earning the market rate.

它们能够以仅比国债利率高出那么一丁点的利息借钱，然后积累大量住房抵押贷款和住房抵押贷款债券，凭借市场利率赚钱。

youdao

If Treasury winds up owning mortgage-backed securities, as well as whole mortgages, it will have new leverage over the mortgage servicers and might be able to demand changes to certain loans.

如果财政部自身持有抵押贷款支持证券，将对抵押贷款服务商产生新的影响力，可能足以要求更改部分贷款的条款。

youdao

Borrowing at almost the same rates as the Treasury, they earn a fortune by investing the money in higher-yielding mortgages and mortgage-backed securities.

ECONOMIST: Fannie, Freddie and Uncle Sam

The government, as owner of mortgages and mortgage-backed securities, will be allowed to make loan modifications by lowering principal and interest rates on mortgages, or extending the life of the mortgage.

FORBES: The Bailout: All Aboard

Fannie and Freddie played a significant role in the explosion of subprime mortgages and subprime mortgage-backed securities.

WSJ: How Government Stoked the Mania