Link creates a reference to the data in the source file such that
changes made there will be reflected in the referencing file the next time it is reloaded.
But linked data is not editable (to some extent, see 代理).
Reloading is useful if you changed something in the library blend-file and want to see those changes
in your current blend-file without having to re-open it.
You can reload and relocate a whole library
from the context menu of the library items in the Outliner's Blender File view,
When linking objects directly into a blend-file, the Rigid Body settings
will not be linked in since they are associated with their scene's world.
As an alternative, you can link in the entire scene and set it as a