8/4

But ,what if we could watch entire lives as they on fault to unfold through time, what if we can study people from the time the date they were teenagers all the way into old age, to see what is really to keep keeps people happy and healthy. we did that, the Harvard study the doctor of Adult Development maybe the longest study adult life that have been done.for75 years we've track the life 724 men,year after year,asking about their work,their homelifes ,their health and of course asking all the long the way without knowing their life story would turn out.

但是如果我们能够看到别人的整个人生在我们眼前铺展开来

如果我们能研究, 从人们青少年起, 一直追踪到他们老年, 看到底是什么东西让人们幸福和健康,

事实上我们做了

"哈佛大学成年人发展研究"可能是持续时间最长的成年人生活研究

75年, 我们追踪了724个人

年复一年， 不停地询问他们的工作, 他们的家庭生活, 他们的健康, 当然这整个过程中我们无法预判他们的生活会出现怎样的变化