如果你的工资是按天或按周计算的，那么2月29日对你来说可能是个好消息。

A year with a February 29th might be good news if you are paid by the day or the week.

youdao

这里大部分工人是按天挣工资的。

Most of the workers here are paid by the day.

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他们按天计算出租马匹。

They let out horses by the day.

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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