英语语法分析

You'll have to sign a contract, and agree to use their serv.

你必须和他们签约，同意至少使用他们的服务两年。

The Air Serv International plane is operated by a group based in Warrenton, Virginia.

负责这架飞机的运作的是美国弗吉尼亚州沃伦顿的国际空中服务公司。

But if you've never called 800-ibm-serv, here are the things you will need to know.

但是，如果您以前没有拨打过800 - IBM - SERV，有几点需要了解。