你快乐吗?有些人会回答“是”,有些人会回答“不是”。而且有时候人们很清楚原因是什么,比如你丢了钱包,或者是讨厌的老鼠吃了你最喜欢的鱼片。但有的时候,你自己也不知道是为什么,就是莫名其妙的心情低落,像一只被雨浇透了的流浪小猫,怎么也高兴不起来。人这辈子,总有开心的时 Are you happy? Some will answer “yes” and some will answer “no.” And sometimes people are well aware of what the reasons are, like losing your wallet, or nasty rats eating your favorite fish fillet. But sometimes, you do not know why, that is, somehow depressed mood, like a stray kitten strewed by the rain, how happy are not happy. People in this life, always happy