If the student hasn't mastered the basic concept, we will make sure that the grade scheme gives a failing grade.

如果学生没有掌握基本的概念，我们会确保,成绩将会不及格。

麻省理工公开课 - 固态化学导论课程节选

I don't know how to make this point any clearer than to share with you a sampling of the student evaluations.

最能让这个问题明了的方法是,和你们分享一些学生们的评估抽样。

耶鲁公开课 - 死亡课程节选