197.telecommuting ：居家辦公，遠程上班

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

　　使用電腦同辦公室保持通訊聯絡，從而實現在家辦公。

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

　　與以前每天去辦公室上班不同，現在越來越多的人每周一天或幾天在家辦公。

　　198.touch screen ：觸摸屏

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

　　一種電腦的屏幕，使用者可以觸摸其適當的位置而對電腦發出指令。

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

　　199.user-friendly ：方便用戶的

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

　　電腦生產廠商所設計的一些硬件和軟件，可讓用戶通過一些簡單易學的指令來熟悉其電腦。

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

　　要讓公眾接受，電腦必須讓用戶感到方便。

　　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.

　　軟件中的密碼指令，它可刪除、轉換電腦中的文件以及操作軟件。電腦病毒會隱藏在電腦中不被發現，當電腦時鐘指向某一日期它會被自動激活。