The long term solution to the traffic congestion problem, Clark says, is not building more roads, but changing the way we design our cities and how we live our lives.

VOA: standard.2010.07.26

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