You should also be able to add, delete, and modify contacts from the list.
您还应当能够在列表中添加、删除和修改联系人。
Focuses on its function: to add information, modify information, delete information and information.
重点介绍其功能：信息添加、信息修改、信息的删除及信息查询。
System also has a complete user to add, delete, and modify the password function.
系统也有完整的用户添加、删除和密码修改功能。
System also has a complete user to add, delete, and modify the password function.
系统也有完整的用户添加、删除和密码修改功能。
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