It's common knowledge that most people get their jobs through someone they know.

多数人都是通过某个认识的人获得工作这一点是常识。

youdao

This is common knowledge. Don't you know?

这是常识，你不知道吗？

youdao

This is common knowledge. Don't you know?

这是常识，你不知道吗？

youdao