Hanle says the focus is on offering special programs for teachers at middle schools and high schools because that's when the students start to lose interest in studying science.

VOA: standard.2009.11.25

So, you turned in p-set 3 today, but we'll have the answers posted for you this afternoon, so you can start studying from p-set 3, even as early as tonight, if you want to, because those answers will be there for you.

今天大家应该要交第三次作业了，而我们会在今天下午将答案给大家贴出来，这样大家就可以尽快开始复习第三次作业的内容了，甚至今天晚上就可以开始，如果你需要的话，这些答案将会给你一些帮助。

麻省理工公开课 - 化学原理课程节选

What made you start studying again?

是什么让你又重拾学业呢？

图书馆经常人很多 - SpeakingMax英语口语达人