个别使用者可自行关闭共用控制项，以将其加入页面目录，但无法永久删除它。
Individual users can close a Shared control for themselves, which adds it to the Page Catalog, but they cannot permanently delete it.
个别使用者可自行关闭共用控制项，以将其加入页面目录，但无法永久删除它。
Individual users can close a Shared control for themselves, which adds it to the Page Catalog, but they cannot permanently delete it.
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