commit computer crimes
进行电脑犯罪活动 

Most computer crimes can be traced back to hackers.
大多数计算机犯罪都是电脑黑客干的。 

access the Internet
进入互联网 

accomplish the operation simply with a click of the keys
敲击键盘即可完成操作

auto search
自动搜索

bandwidth
宽带 

be multilingual
可以使用多种语言

be networked with …
与…联网

chat on-line in Internet
网上聊天

distance learning
远程教育

on shopping on-line
进行网上购物 

facilitate the growth of the cyber-economy
推动网络经济的发展

Internet geek/netter
网虫

Internet video chat
网上视频聊天

It is difficult to know whether the information on the Internet is reliable or not.
很难确定互联网上的信息是否可靠。 

provide on-line employment services to job seekers
为求职者提供网上择业服务

There is an advantage to being multilingual.
懂得多种语言很有益处。

with the gradual popularization of the Internet

随着互联网的不断普及

put out your message through E-mail
使用电子邮件发出讯息

net-addiction
网瘾 

provide entertainment in the form of computerized games
提供电子游戏形式的娱乐