Happiness, as the Merriam-Webster dictionary defines it, is "a state of well-being and contentment." Sure, that's one way to put it. But what does it really mean to feel on top of the world or entirely at peace with oneself? Do you feel immersed in joy? On cloud nine?
n. 社區(qū),社會,團(tuán)體,共同體,公眾,[生]群落