In the Latin American and Caribbean region, 60 million people were lifted from poverty between 2002-2008 and a growing middle class boosted import volumes at an annual rate of 15 percent.

在2002到2008年间，拉丁美洲和加勒比地区有2000万人脱贫，不断壮大的中产阶级推动进口贸易额每年的增长达到15%。

youdao

The exchange rate is passed in from outside the class. It is not constructed inside the class.

汇率是从这个类之外传递进来的，并不是在类内部构造的。

youdao

We cannot afford the risk of losing a class of first-rate insecticides with no suitable replacements ready to step in and do the same job.

我们无法承受在失去这类一流杀虫剂的同时，没有适当的替代品加入进来并起到同样的作用。

youdao

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

The city's middle-class unemployment rate is 6.2%, three times higher than it was in 2008, the report said.

WSJ: Quinn Address Aims at Middle Class

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