不必为正在更改的特定项创建编辑范围。
You do not have to create an editing scope for the specific item you are changing.
编辑范围可以嵌套，但是必须按顺序提交。
Editing scopes can be nested, but must be committed in order.
传回的属性集可能随著附加属性或编辑范围的变更而变更。
The set of properties returned may change based on attached properties or changes to the editing scope.
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