▶ Why do we like social-media likes so much? The answer lies in the evolution of the human brain, write Martin Reeves and Bob Goodson ▶ 为什么我们如此喜欢社交媒体上的点赞？答案在于人类大脑的进化，马丁·里夫斯和鲍勃·古德森写道。 (中文翻译 by AI，若有误欢迎指正)