To attend these lectures in sections-- more on that in a moment; to submit 9 problem sets, take two quizzes and ultimately design a final project.

每节课都要来参加-,这个一会儿再解释，做完九套习题，参加两次测验，最后设计好期末的大作业。

哈佛公开课 - 计算机科学课程节选

So, the current guy, he's actually been in The Bachelor twice now.

现在的这位男士参加这个节目已经两次了。

美国的TV真人秀 - SpeakingMax英语口语达人

I want you to come to lectures, so we have the two lectures each week that you'll come to.

我希望你们都能来听课,每周都有两次,你们要来参加

耶鲁公开课 - 聆听音乐课程节选