One day a very short, happy laugh. Not happy had a moment to smile
一天很短、开心了就笑。不开心了就过一会再笑
如果我的答案帮到你,希望采纳下。谢谢
No much time in a day , if you are happy just smile if not smile later.
The day is short, happy smile.Not happy just after a while and then laugh