后来它进化到一个社交网络：一本关于它的成员的敞开的书，欢迎任何人来阅读。

It's evolved since then into a social network: an open book on its members' lives, welcoming just about anyone.

youdao

后来它进化到一个社交网络：一本关于它的成员的敞开的书，欢迎任何人来阅读。

It's evolved since then into a social network: an open book on its members' lives, welcoming just about anyone.

youdao