Each request carries some data over the network; if the request does not find any updates on the server, this data transfer is a waste.

每一次请求都要在网络上传输一些数据；如果请求未在服务器上发现任何更新，那么这个数据传输就是浪费的。

youdao

You have to go through logs of unrelated events to find what you need, which can be a nightmare on a live server.

您必须遍历不相关事件的日志，以找到所需的内容，这在活动服务器上可能很棘手。

youdao

NB: You may find that the report server fails at this point.

注意：您可能会发现，报告服务器在此时失败。

youdao

And with support from HEAT, Mplayer, and UT's "find the server" feature, you'll always find online opponents.

CNN: Unreal Tournament: Unreal multiplayer action

Gamers struggled to download the game from the Origin servers and, once they had it, they struggled to find a server with enough room for them.

FORBES: Maxis Working to Fix SimCity's Server Problems

Growing businesses find that a server set-up provides more control over file management, sharing, back-up and security, plus efficiency when adding people.

FORBES: Are You Feeling The Pain Of Peer-To-Peer?