The slower speed is combined with an extra effort to make the writing easy to understand.

VOA: special.2009.04.06

Well a number of you have spent this past week playing with this particular tool which is a project the course has been working on for some time in an effort to make it easier and more social to actually shop for courses.

在过去的一周里,已经有一部分人开始使用这种特殊的工具了,这门课程一直在致力于这一工具的开发,目的是为了让课程变的更简单,选课更人性化。

哈佛公开课 - 计算机科学课程节选

If you are like me, too difficult about getting places on time, you have to make an extra effort the way I do, and arrive on time.

如果你们像我一样，容易迟到，你们就要像我一样努把力，要准时上课。

麻省理工公开课 - 电影哲学课程节选