class rate

基本解释

For most people, the first-class rate has the greatest impact, covering cards and letters.
对多数人来说，受到一类资费的影响最大。这个资费涵盖了信用卡，信件。
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Treat the low efficiency as foe, seek remarkable outstanding, emotionalize customers through the first-class rate, the first-class skills and the simple emotions to realize customer's dream.
疾慢如仇，追求卓越，情感顾客；用一流的速度、一流的技能、朴实的情怀去实现顾客的梦想。
"I also think we should take a look at the tax portion of the stimulus package, take a look at reducing the middle class tax rate, " he said.
我还认为我们应该关注这个刺激方案中有关税收的部分，关注降低中产阶级税率的问题。

This is the last question we'll see in class on the photoelectric effect, so hopefully we can have a very high success rate here to show we are all ready to move on with our lives here.
这是这个课上最后一个关于,光电效应的问题，所以希望,你们能有个高的通过率,来证明我们已经可以继续往下走。
麻省理工公开课 - 化学原理课程节选

Another way to look at it is that nonsmokers in the highest social class have a higher rate of obesity (13.3%) than smokers in the lowest social class (13.1%).
FORBES: Smoking Reduces Obesity
Their aim is to devise a tool that measures the attention of students, taking into account how they rate the class and how alert they are.
FORBES: International Backgrounds Shape Education Entrepreneurs
Mr. FLETCHER: I'm not optimistic about any middle class unless we increase the rate of unionization and unless we change the political priorities of this country.
NPR: U.S. Factory Workers Competing in a Global Market