As the American middle class grew, they needed more tableware to show off their wealth.

随着美国中产阶级的壮大，他们需要更多的餐具来炫耀他们的财富。

youdao

Operation results show that with this network, on-site equipment control and management becomes more convenient, which provides customers with an actual user-terminal class control of high security.

运行结果表明，该网络能更好地进行现场设备控制和管理，为实现真正用户终端级的、高安全性的控制提供了一个新的解决方案。

youdao

Let me show you one more class, though about-- sorry, let me show you two more classes of algorithms. Let's look at the next one g- and there's a bug in your handout, it should be g of n and m, I apologize for that, I changed it partway through and didn't catch it.

请大家看，额,在你们的课堂材料中有个错误,应该是g，很抱歉-,我改了一部分这个错误但是没看到这里的，好，这儿的增长率，有人想猜猜么？

麻省理工公开课 - 计算机科学及编程导论课程节选

Dukes decision in 2011, plaintiff lawyers will have to spend more on expensive experts to show how an entire class of consumers or employees were hurt before judges can reward them with class certification.

FORBES: Class Actions Take Another Hit As Supreme Court Rejects Comcast Antitrust Case

As for the economy, as Time magazine's Joe Klein pointed out on the Scarborough show, the middle class is feeling more secure about employment stability, home ownership and 401(k) trends.

CNN: What's behind Mitt's meltdown

They may chunter on about DVT affecting people in Business and 1st class, but I am quite sure that the true figures would show that economy class passengers suffering or dying from DVT are infinitely more numerous than others.

BBC: News Online