交流通常的一个目的是请求得到别人的服务。的翻译：AC is usually one of the objectives is requesting the services of others. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

One purpose of the exchange requests usually get someone else's service.

AC is usually one of the objectives is requesting the services of others.

Exchanges a usual goal is the request obtains others service.

exchange, usually the one that is designed by others request the service.

AC is usually one of the objectives is requesting the services of others.