For now I want to tell you a little bit about what open course ware is and also share with you some work experience with our first public launch of the site.

现在我想谈谈,什么是开放课程软件,并且与你分享一些,第一次开放这个网站的工作经验。

麻省理工公开课 - 媒体、教育、市场课程节选

And a group of alumni decided to launch an initiative called the Civic Value Initiative.

一群毕业生决定发起一项活动,叫做，公民价值观行动。

普林斯顿公开课 - 人性课程节选

I want to make one other point before we launch into that, and that is the following: that composers use the rate of harmonic change-- whether it's changing or not changing-- to sort of make us feel different ways about the music that we are listening to.

在此之前我还要说一个问题，不管和声有没有改变，作曲家都能通过和声改变的频率-,让我们对所听的音乐有不同的感受-,它能让我们感受到这段音乐。

耶鲁公开课 - 聆听音乐课程节选