If a person has left a channel 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
抱歉，如果一个人退出了频道，只有其双向联系人才能将他们加回（他们需要您的电话号码，而您也需要他们的）。
51/194
𝕊𝕡𝕚𝕜𝕖 Wang,
Aug 11, 2020 at 04:58
抱歉，如果一个人退出离开了频道，只有其双向联系人才能将他们加回（他们需要您的电话号码，而您也需要他们的）。
51/194
𝕊𝕡𝕚𝕜𝕖 Wang,
Aug 11, 2020 at 04:43