So I thought, what's universal? Laughter is universal. And mirthful, happy laughter is a very positive emotional experience,he says.
So I thought, what's universal? Laughter is universal. And mirthful, happy laughter is a very positive emotional experience,he says.
何谓普遍性？大声大笑可以说是具有普遍性，快乐的大笑是一种极为积极的情感经历。