And I put on the sheet this year--I think I'm going to try to count five percent for class participation.

今年的课程,我想我将会把出勤率,按照占百分之五的学分计算

耶鲁公开课 - 聆听音乐课程节选

However, if there are repeated, unexcused absences, there will be an adjustment in the grade calculation, and it will be worth twenty to twenty-five percent of your grade, and it will be a negative grade also.

然而，如果有反复的没有理由的缺勤，就会对这个百分比做些调整，出勤率就会占到你分数的百分之二十到二十五，当然也会是负面的评分。

耶鲁公开课 - 旧约导论课程节选

Because what I am saying here is "let's not study the average", let's study the top five percent so that we can understand the phenomenon better.

我想说的是，不要研究大众，研究快乐指数最高的5%的人,这样就可以更好地理解这一现象。

哈佛公开课 - 幸福课课程节选

You better believe it's sixty to seventy percent, and the further back you go in American history the closer it is to ninety and ninety-five percent.

你最好猜百分之六七十,要是你以后有机会学习美国历史的话,你会发现它在百分之九十到九十五之间

耶鲁公开课 - 古希腊历史简介课程节选