We've been working to make our schools healthier. We've been working to increase the amount of physical activity that our kids are getting, not just during the day at school but also at home.

VOA: special.2010.06.07

Right now, with our 50, 80, 100 years, we don't fill our day doing only one kind of activity.

在眼下的有限生命中，我们也没有每天只从事一项活动。

耶鲁公开课 - 死亡课程节选

Peterson says an early childhood education class got her thinking about ways to incorporate more activity into their school day.

VOA: standard.2010.06.25

"I think the actions the United States military took the other night, the other day,yesterday could certainly have that affect where people are less inclined to engage in that type of activity,"

VOA: standard.2009.04.13