It's possible that some of the fields that look like globally-defined fields are actually ad-hoc fields that happen to share the same name.

某些字段可能看起来像全局定义的字段，但却是专用字段，只是名称正好相同。

youdao

It's possible that some of the fields that look like globally-defined fields are actually ad-hoc fields that happen to share the same name.

某些字段可能看起来像全局定义的字段，但却是专用字段，只是名称正好相同。

youdao