Andy-Lee

1.问题是你无法确切知道正在发生什么。the question is you can't exactly know what is happening.
2.什么使我们真正感到快乐？what make us really 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。persue the lasting happyness always is the goal which is scientists and many reseach attend for long time.
4.A man of words and not of deeds is like a garden full of weeds.光说不做的人就像杂草丛生的花园。