One of the many properties of a route is its starting point.

起始点是路线的一个属性。

youdao

At this point, you have the properties of the Book class all set.

现在，book类的属性都已经设置好了。

youdao

At this point, you have the properties of the Book class all set.

现在，book类的属性都已经设置好了。

youdao