今天我们要学的词是 credit rating. Credit rating 信用评级。The Fitch agency has downgraded South Africa's credit rating to junk status. 国际评级机构惠誉将南非的信用评级降至垃圾地位。Standard and Poor's has raised Argentina's credit rating from B- to B, saying the country is on the verge of exiting recession. 标准普尔将阿根廷的信用评级从B-上调到B, 并表示，阿根廷即将走出经济衰退。好的，我们今天学习的词是 credit rating, credit rating, credit rating...