But many complex derivatives, such as mortgage-backed securities, do not trade smoothly and frequently in arm's length markets.

可是有许多复杂的衍生品，比如抵押贷款证券，在和我们有着一定距离的市场中，进行着既不平稳又不频繁的交易。

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Bair has proposed giving homeowners who are 60 days late on their mortgage a chance to reduce high interest rates and extend the length of the loan if they qualify.

CNN: Plan could help 1.5 million keep homes, FDIC chair says