如何工作的骨干收集地图？

How does map work with a Backbone collection?

youdao

他收集他将经过国家的地图。

He started collecting maps of the different countries he might visit.

youdao

当我到达后，地图就成了我的收集品。

And after travelingthere, the map became my collection.

youdao

当我到达后，地图就成了我的收集品。

And after travelingthere, the map became my collection.

youdao