a large system consisting of many similar parts that are connected together to allow movement or communication between or along the parts, or between the parts and a control centre

a television network 电视网

a road/rail network 公路／铁路网

Massive investment is needed to modernize the country's phone network. 使全国电话网络实现现代化需要巨额投资。

We could reduce our costs by developing a more efficient distribution network. 我们可以通过发展更为高效的分销系统来降低成本。

a network of spies/a spy network 间谍网

a number of computers that are connected together so that they can share information

We've just spent £1.9 million on improving our computer network. 我们刚刚花了190万英镑来改善我们的计算机网路。

to connect computers together so that they can share information

Our computer system consists of about 20 personal computers networked to a powerful file-server. 我们的计算机系统由大约20台个人电脑组成，这些电脑与一台功能强大的文件服务器联网。

to meet people who might be useful to know, especially in your job

I don't really enjoy these conferences, but they're a good opportunity to network. 我其实并不喜欢参加这些会议，不过这倒是建立关系网的好机会。