Most bonds are traded in the Over-The-Counter (OTC) market which is made up of Banks and security firms.

大部分债券是通过场外交易(Over - The - Counter, OTC)市场进行交易的。场外交易市场是由银行和证券公司所组成。

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In a report Thursday on the intelligence breakdowns in the case, John Brennan, Obama's adviser on homeland security and counter-terrorism, highlighted the confusion over AbdulMutallab's visa status.

CNN: State Department failed to confirm terror suspect's visa