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

spent a lot of time and effort kind of figuring out what is it that people will want to buy next week.

他花费了很多的时间和精力来研究,人们想要在下个星期买进什么。

耶鲁公开课 - 金融市场课程节选

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

Obviously with this sort of partitioning of behavior, and activities, and effort, there's not a lot of time leftover for leisure, for development of new technologies and things like this.

显然,采用这样一种,行为,活动及精力的分配方式,自然不会剩下很多时间,用来娱乐,发展技术和改革创新

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选