等级下降是《游戏王》里的一张卡。
它们的信用等级下降，意味着发行人更不愿意向它们买保险。
Their credit ratings dropped, which meant issuers were less willing to buy insurance from them.
临床疗效方面，A组有7例患者疗效等级下降1级。
For the clinical outcome, 7 patients in group a increased by 1 grade.
处于对法国等国信用等级下降的担忧，国家提供的资金担保不会提高太多。
National guarantees for the fund cannot be increased much for fear of endangering the rating of France and others.
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