"The president has called for focusing in on what it really takes to be successful in work and in college, and he has called on America's educational institutions, primary and secondary educational institutions, to do whatever it takes to get our kids college ready.

VOA: special.2010.02.25

But more important, it is what you are doing differently, how this has an impact on your life and that takes effort.

但更重要的是你们所做的改变是什么，这对你们的生活有怎样的影响，而那需要我们的努力。

哈佛公开课 - 幸福课课程节选

But more important, it is what you are doing differently, how this has an impact on your life and that takes effort.

但更重要的是你们所做的改变是什么，这对你们的生活有怎样的影响，而那需要我们的努力。

哈佛公开课 - 幸福课课程节选