So when Moody's says a collateralized debt obligation, a corporate bond and a sovereign issue are all rated AA, the implication is that the three types of bonds are equally healthy.

也就是说，当穆迪将一种债务担保证券、一种公司债券和一种主权债券均评为AA级，那就意味着穆迪认为这三种债券的信用程度是相同的。

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A provisions in a bond indenture or loan agreement that puts the borrower in default if the borrower defaults on another obligation.

债券或贷款协议条款，规定若借方对另一项债务责任违约即会被视为对协议中的债务责任违约。

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Coupon bond a debt obligation with coupons attached that represent semiannual interest payments.

有息票债券附有息票的债务，每半年支付利息一次。

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For example, is it a general obligation bond or is it tied to a specific tax or revenue stream?

FORBES: Rewards May Exist In Muni Bonds

While they yield a little less than a state general obligation bond, they are perceived as having less volatility.

FORBES: More Colleges See Bonds Downgraded

In the General Obligation muni bond space, stick with states whose present budgets and unfunded pension liabilities appear somewhat manageable.

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