If a person has left athe 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.
194
对不起，如果一个人退裙了，只有联系人才能把他拉回来（互相拥有电话号码）。
36/194
Aoki Shinshi,
Sep 12, 2021 at 06:15
对不起，如果一个人退裙了，只有联系人才能把他拉回来（互相拥有电话号码）抱歉，如果某人退出了群组，您必须是他的 Telegram 联系人才能将其加回。
39/194
Aoki Shinshi,
Aug 26, 2020 at 11:15