You’re telling the “Book” class that you want an empty book object, named “newbook.

你正告诉这个 "Book"类别你要一个空的 book物件，称作 "newbook"。

youdao

You’re telling the “Book” class that you want an empty book object, named “newbook.

你正告诉这个 "Book"类别你要一个空的 book物件，称作 "newbook"。

youdao