Still,this would only mean that there are community-level outbreaks in at least one other country in a different area of the world.

VOA: special.2009.05.06

And the answer is that-- yes it won't make a difference to our wellbeing but it also doesn't mean that we cannot increase our level of wellbeing.

答案是-,是的，它不会改变我们的幸福水平,但并不意味着,我们不能提升自己的幸福水平。

哈佛公开课 - 幸福课课程节选