Relative importance given to these different things, there's 20% for your homework, 30% for the Midterm, which will be sometime in October, and 50% for the Final.

这门课的成绩会由以下几部分构成,平时作业占20%,期中考试占30%,期中有时在10月份考,期末考试占50%

耶鲁公开课 - 基础物理课程节选

So,I'm telling you from the beginning, but don't dream and think that somehow the Final's going to be so much different from your regular day-to-day performance, but to give you some reason to live after the Midterm.

所以我在开始告诉你们,但是,不要以为你们的最终成绩,和你们的平时表现,没什么关系,但这能让你们不至于期中的时候就绝望了

耶鲁公开课 - 基础物理课程节选