Bond insurers such as MBIA and Assured Guaranty, which took hits on mortgage securities they had “wrapped” with credit enhancement, are becoming more active too.

债券承保人，例如MBIA 和 ASSURED GUARANTY也参与按揭证券，为其包装并增加信用度，现在也行动起来。

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National student loan is an unsecured credit loan without any guaranty of bond, mortgage or hypothecation.

国家助学贷款是信用贷款，它无须提供担保、抵押或质押。

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The counterparty was the troubled bond insurer ACA Financial Guaranty, which Moody's cut dramatically from A to triple-C one day in December.

FORBES: You Should Worry About Ambac

That "hands across Wall Street" effort seems unlikely now, though banks are meeting with individual bond insurers, including Ambac and Financial Guaranty (FGIC), two of the companies that are the targets of the Buffett offer.

FORBES: Buffett To The Rescue!