And three will mean you did a really good job that will be top grade.

三分是最高分,说明你做的非常好

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, as I put it, in fact I think I put it this way on the syllabus, participation--and here I mean respectful participation, not hogging the limelight... participation can improve your grade, but it won't lower your grade.

所以，像我这么陈述的，事实上，我想我用这种方式在课程表上，参与，在这里我是指尊重的参与，而不是想出风头的那种。,参与能够加分，而不会使你的分数变少。

耶鲁公开课 - 死亡课程节选