System can be completed on all information browsing, inquiries, add, delete, modify, and other functions.

系统可以完成对各类信息的浏览、查询、添加、删除、修改等功能。

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This class can add members to groups, rename them, and delete them (along with many other functions not related to groups).

这个类可以向组中添加成员、重新命名组和删除组(以及与组不相关的其他许多函数)。

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To check the function of the button is correct: If the update, cancel, delete, save and other functions are correct or not.

检查按钮的功能正确：更新、取消、删除、保存和其它功能是否正确或不正确。

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