You can search obviously by any of the fields up top by days ; of the week you want a class; days of the week you don't want a class; grad level or undergrad level, faculty scores that are 4.0 and higher, ; course overall scores that are 4.0 and higher; and a whole number of other features including synchronization with Google calendar.

你可以按日期来搜索网页上的任一科目,以决定哪天去上课，哪天不去上课;,研究生课程或本科生课程,教师打分为4分或更高的课程，课程总学分为4分或者更高的课程;,当然很多其他选择方式,包括Google同步日历。

哈佛公开课 - 计算机科学课程节选