197.telecommuting ：居家办公，远程上班

　　Working at home and using a computer to communicate and interact with the office.

　　使用电脑同办公室保持通讯联络，从而实现在家办公。

　　More and more people are now telecommuting one or more days a week as opposed to going to the office everyday.

　　与以前每天去办公室上班不同，现在越来越多的人每周一天或几天在家办公。

　　198.touch screen ：触摸屏

　　A computer that can be given commands by touching its display screen in the appropriate locations.

　　一种电脑的屏幕，使用者可以触摸其适当的位置而对电脑发出指令。

　　Some restaurants have provided touch screen computers to enable their customers to order food via the computer without to tell someone.

　　199.user-friendly ：方便用户的

　　Hardware or software that is designed to help people become familiar with their computer by simple, easy-to-follow instructions.

　　电脑生产厂商所设计的一些硬件和软件，可让用户通过一些简单易学的指令来熟悉其电脑。

　　Computers must be user-friendly in order to be accepted by the public.

　　要让公众接受，电脑必须让用户感到方便。

　　200.Virus ：病毒

　　Coded directions in software that can erase or replace files and operating software in a computer. A computer virus can sit undetected in a computer until it's automatically activated, as when computer's clock strikes a certain date.

　　软件中的密码指令，它可删除、转换电脑中的文件以及操作软件。电脑病毒会隐藏在电脑中不被发现，当电脑时钟指向某一日期它会被自动激活。