如公路上没有划线，在人行横道前停车。

If there is no stop line, stop at the crosswalk.

youdao

好，你知道对空手道前做家庭作业他可能有什么问题吗？

Well, do you have any ideas about what concern he might have had about doing his homework before his karate class?

youdao

如果未划停车线，在人行横道前停车，不管人行横道有没有划线。

If there is no stop line, stop at the crosswalk, marked or not.

youdao

The six problem sets are due generally on Mondays and we'll go over the problem sets in the teaching sections, several days after you turn them in.

这六道习题通常应该在周一前完成,你们交上来之后,我们将在我的课上,讨论这几道习题

耶鲁公开课 - 金融市场课程节选