This equation is begging you to be added to this equation.

把这个方程加到这个方程上去

耶鲁公开课 - 基础物理课程节选

And nine months later, they leave honor above great level, begging for some more work and wanting to hang out with you on the weekend.

九个月后，他们成绩优异，恳求更多作业,希望与你共度周未。

哈佛公开课 - 幸福课课程节选