Thanks to financial alchemy, an MBS made up of low-quality loans can still enjoy a good credit rating.

由于金融市场的魔力，一只由低质量债务组成的房贷担保证券也能获得一个良好的信贷评级。

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The worst of credit quality deterioration in the region should have passed, and rating downgrades should slow in 2H09.

亚洲地区最严重的信贷质量恶化已经过去了，评级下调将会在09年下半年逐渐放缓。

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The company said it expects the most seniorslice of the two-tranche deal to receive a single A rating from DBRS, indicating it is thought to be of "good credit quality".

公司说期待交易中最高等级的部分可以获得道明债券评级（DBRS）的A类评级，这意味着良好的信用质量。

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But actually Crestwood, like a lot of MLPs, is trying to get bigger through mergers so it can improve its asset quality and thereby boost its credit rating.

FORBES: Energy MLPs acquire so they can borrow cheaply... and do more deals

The rating agencies say that the deteriorating credit quality of those trying to finance adventurous takeovers could spell trouble.

ECONOMIST: Corporate debt

We could ask the rating agencies to give up attempting to produce absolute measures of credit quality and instead focus on providing only relative measures.

FORBES: Rethinking Credit Ratings