Harry Potter series are my most favorite books. There are seven books in total.

哈利·波特系列是我最喜欢的书，总共有七部。

youdao

You bought all seven Harry Potter books?!

你买了全套七本哈利·波特的书？ ！

youdao

You bought all seven Harry Potter books?!

你买了全套七本哈利·波特的书？ ！

youdao