"A lot of these patients are at the highest risk of death and re-hospitalization and problems in the six months following discharge from the hospital."

VOA: standard.2010.03.07

So by the end of these three months semester, you are happier than you were before.

三个月后，期末时，你会变得更快乐。

哈佛公开课 - 幸福课课程节选