这些服务起步都是小规模经营，价格低廉，目标是成熟玩家不在乎的市场领域——比如入门课程辅导。

Such services tend to start small and cheap, targeting a sector of the market that established players don't care much about-like tutoring in introductory courses.

youdao

有相当多的新方法可以提供帮助，如启发儿童主动学习，能力-同伴辅导课程等等。

There are quite a number of new methods which can help, such as child-initiated learning, ability-peer tutoring, etc.

youdao

与每堂课相关联的是研讨会、辅导课和实验课，这些课程回顾、分析、说明或加强了课堂上所讲的主题。

Associated with each lecture course are seminars, tutorials and laboratory classes which draw upon, analyze, illustrate or amplify the topics presented in the lectures.

youdao

But just go to cs50.net, click office hours and you'll see the Google Calendar with all of the office hours that are still happening tonight, as well as tomorrow and these are just an opportunity to chat, to ask questions one on one with the teaching fellows or course assistants or frankly just a way to hang out during brain break and work on projects and then see what some of your friends might be tackling themselves.

但是我要提醒大家去cs50，net网站看看,这里清清楚楚告诉你,什么时候该学习工作，当然也包括今晚的明天的，我们还有一个机会供，一个与研究生助教或课程辅导员交流的机会,更直白来说,是提供你们开小差的机会,看看你们周围哪些人,在开小差呢。

哈佛公开课 - 计算机科学课程节选