Unauthorized changes invalidated his passport 由于他擅自涂改而使护照作废了
No unauthorized changes be made.
不得擅自修改。
Password protection prevents unauthorized changes to system Settings, and multilanguage menus accommodate English, French, German, Dutch, Italian, Polish, and Spanish speakers.
密码保护能防止未经授权的更改系统设置，它还有多语言菜单，包括英语，法语，德语，荷兰语，意大利语，波兰语，和西班牙语。
NetSupport Protect prevents users from deleting critical files and applications, making unauthorized changes to the desktop, saving or using unauthorized programs and harming the operating system.
该保护防止用户删除重要文件和应用程序，在桌面上擅自更改，保存或使用未经授权的程序和损害操作系统。
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