Exports all Empty, Mesh and Armature objects in the current scene except those in excluded collections. The full hierarchy is properly preserved and exported, including local positions and rotations.

个人魔改版的 Ai2thor，使得它能够在runtime时将模型（包含mesh、材质、光源）都导出为.fbx文件，从而能够将procthor生成的场景“偷”出来。 另外，用Unity Editor打开项目，添加了导出fbx的ui选项，可以把ai2thor的场景也“偷”出来。

The seasonally adjusted balance on goods decreased $1,417m in November. Goods credits (exports) decreased $1,353m (2.9%) driven by Metal ores and minerals. Goods debits (imports) increased $63m (0.2%) ...