Communications business的用法和样例：
例句
- The present invention used only one radio transceiving module to undertake the multikind communication businesses carried out at different times.
与现有技术相比，本发明仅用一个无线收发模块，就可实现多种不同时进行的通信业务，从而节约了资源，降低了成本。 - Two more gateways at Shanghai and Guangzhou will be built this year to allow China Satcom to provide high speed communications services to the whole country.
本年度内，上海和广州还会建立两个出口网关，届时，中国卫通将可以向全国提供高速通信业务。
