merit rating

基本解释

It is difficult to see how these bonds will merit an AAA-rating.
很难看到这些债券如何会获得AAA级评估。
A merit rating system used in research of lube oil formulations is described.
介绍了一种可用于润滑油配方研究的贡献评分法。
Another is that aliens visited Earth and found our planet so dull that we didn’t even merit a rating on their interstellar travel guide.
另一个答案是外星人已经造访过地球，发现我们的星球太原始太枯燥，根本不值得在星际旅游的导游册中浪费笔墨。