Each domain is suited to a particular class of messages, and some domains support several different classes of message.

每个域适合于特定的消息分类，并且某些域支持多个不同的消息分类。

youdao

As noted, there are some overlaps in the various attributes across several retail classes.

注意有几个零售种类交叉的不同属性的一些交迭。

youdao

On weekends, there are Dharma study classes of the principle of cosmic order in several languages and on some weekends, celebrated scholars and scientists are invited to give lectures.

周末都有学佛小组在上课，使用几种的语言，谈论着关乎万有极则的佛法。而在一些周末，会邀请著名学者和科学家来举办讲座。

youdao

So as some of you probably know, Yale is undergoing an open education project and they're videoing several classes, and the idea of this, is to make educational materials available beyond the walls of Yale.

可能你们已经知道了,耶鲁大学正在开展一个教育项目,我们在录制一些课程的录像,这样做的目的是让,耶鲁外的人也能享受到这些教学资源

耶鲁公开课 - 博弈论课程节选