When using edit to delete new mail, the new message blue dot appears on the left as well as the delete dot, so you can see what's unread (found by Daremo)
使用“编辑”来删除新邮件时，表示新邮件的蓝色小点会显示在左边，以提醒你这是未读的。
youdao
应用推荐
模块上移
模块下移
不移动