If a person has left the group in the past, you need to be in their Telegram contacts to add them back.
They can still join via an invite link as long as they are not on the Removed Users list.
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抱歉，如果某人不再屬於某群組，你們彼此必須是聯絡人才能將其加回。
請注意，只要他不在「已移除的用戶」名單中，他仍然可以透過群組的邀請連結加入。
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Fair Leopard,
Mar 21, 2023 at 10:52