lee1900

1.问题是你无法确切知道正在发生什么。
The problem is that you don't know what is happening?
2.什么使我们真正感到快乐？
What can really make me fell happy.
3.长时间以来，对持久幸福感的追求一直是科学家和许多相关调查关注的目标。
In a period of long time, chasing of happniess is always the tagert of scientist and related investigate
4.A man of words and not of deeds is like a garden full of weeds.