RATING – official certificate attesting to a pilot's skill level.

评级-证明飞行员技术水平的官方证书。

youdao

And if you change the rating, it means that the risk level has gone up.

如果改变评级的话，那是意味着美国的偿还债务的风险增加了。

youdao

And if you change the rating, it means that the risk level has gone up.

如果改变评级的话，那是意味着美国的偿还债务的风险增加了。

youdao