All right. With that by the way of background, let's go on to two -what we might call rhythmic devices here--two rhythmic devices.

以此为背景知识,我们来继续学习,两种节奏类型

耶鲁公开课 - 聆听音乐课程节选

You have to imagine they're moving along quicker than you would by walking, so that they will go bang and we can see what happens.

你得想象他们往前跑动的速度,肯定要比你步行快,所以就像这样"砰"地撞在一起,然后大开杀戒

耶鲁公开课 - 古希腊历史简介课程节选

And, what we want to do is go by example here.

我们接下来看看这些例子。

麻省理工公开课 - 固态化学导论课程节选

For those of you who aren't familiar with this, we split up the user base by what school they go to and we make it so that people at a given school can only see the profiles and contact information of people at their school.

对此有些人可能不大了解，我们以学校为标准将用户分组,只有在同一所学校的学生,才能够相互浏览,个人资料和联系方式。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选