People from different classes used to mix very little.

不同阶层的人过去很少交往。

youdao

There are 24 contestants coming from different classes . All of them are excellent. I hope they can get good grades in today 's competition .

相信你们都很优秀，希望大家能在今天的比赛中取得优异的成绩。

youdao

If multiple agents are used, they should be from different classes.

如果所用药剂不止一种，则它们应是属于不同类别的药物。

youdao

The standards in this class are just different from all other classes."

这门课的标准和所有其他的课都不同“

耶鲁公开课 - 死亡课程节选

GARCIA-NAVARRO: The over a dozen women interviewed for this story in Basra from different backgrounds and classes all said essentially the same thing.

NPR: Iraqi Army Eases Militias' Grip on Women in Basra

Gate 1 determines if an asset class is fundamentally different from other asset classes in a portfolio.

FORBES: Basics of Asset Allocation (Part 2 of 2)

Ng said Coursera will submit classes from different disciplines, attempting to establish that Coursera students can win real college credit in a wide range of fields.

FORBES: Coursera Mulls Webcam Exam As A Path To College Credit