Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

问大家一个尺度比较大的问题，就是怎么做到一天到晚都没人找你聊天，然后你也没对象，还能玩手机到半夜一两点才睡觉的？我怎么想都想不明白，你们到底是咋做到的，我真不明白。 Rich people, what "rich person's habits" ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...