一项新的研究发现，今天活着的每一个人都是大约20万年前生活在现代博茨瓦纳的一位妇女的后代

Every person alive today descended from a woman who lived in modern-day Botswana about 200,000 years ago, a new study finds

Every person alive today descended from a woman who lived ...

https://www.msn.com/en-us/news/us/every-person...

Every person alive today descended from a woman who lived ...

https://fresh-news-now.com/2019/10/28/every-person...