At that time, some states permitted banks to make their own money.

VOA: special.2009.11.08

So when you go home today or some time this weekend, make sure you read this page in detail.

因此，请大家在今天回家之后或者在周末找个时间，务必仔细读一读这页纸。

麻省理工公开课 - 化学原理课程节选

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