That's no excuse for talking back to your teacher or cutting class or dropping out of school.

VOA: standard.2009.09.08

There's no dropping of lowest scores from the average.

并没有去掉最低分的情况。

麻省理工公开课 - 固态化学导论课程节选

There's no dropping of lowest scores from the average.

并没有去掉最低分的情况。

麻省理工公开课 - 固态化学导论课程节选