This method is called dual or two-way immersion.

VOA: special.2010.06.17

It's in here to--intended to do two things: One to show you something about the method that we will be using in here and two, to show you something of the level of this course-- the level of the course.

这个测试的目的是,第一,向你展示一些我们的教学方法,第二,告诉你本课程所处的水平,本课程的水平

耶鲁公开课 - 聆听音乐课程节选

So this is again another method, this is remove, takes two arguments ivys the first is ivys, Harvard the second is the string Harvard.

这儿我们又用到了另外一种方法，就是remove，它有两个参数,第一个是，第二个是字符串。

麻省理工公开课 - 计算机科学及编程导论课程节选