Precaution 1 : when using the internet in public places , such as schools or libraries , etc . , remember to logoff the system before you leave.

个人守则之一：在公众地方使用互联网，如学校图书馆等，在离开前一定要记得退出系统。

youdao

Precaution 1 : when using the internet in public places , such as schools or libraries , etc . , remember to logoff the system before you leave.

个人守则之一：在公众地方使用互联网，如学校图书馆等，在离开前一定要记得退出系统。

youdao