• New members can see the full message history
• Deleted messages will disappear for all members
• Admins can pin important messagesadd a description to the group
• Creator can set a public link for the group
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• 新成員可以睇到完整嘅訊息紀錄
• 剷除嘅訊息將同時喺所有成員嘅紀錄入面剷除
• 管理員可以為個谷加入簡介
• 擁有人可以為個谷設定公開連結
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