现代爵士乐起源于非洲裔美国音乐。

Modern jazz has its ___roots in African American music.

我认为人们应该知道我们欧洲流行音乐和摇滚音乐的根源。

I think people should know where our European pop and rock music has its ___roots.

她的家族根源在爱尔兰。

Her family ___roots are in Ireland.