Communications business的用法和樣例：
例句
- The present invention used only one radio transceiving module to undertake the multikind communication businesses carried out at different times.
與現有技術相比，本發明僅用一個無線收發模塊，就可實現多種不同時進行的通信業務，從而節約了資源，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.
本年度內，上海和廣州還會建立兩個出口網關，屆時，中國衛通將可以向全國提供高速通信業務。
