EMS

例句：

1. 1. The package arrived in two days by EMS.
   这个包裹两天内通过EMS送达。
2. 2. The company uses EMS for its internal communication.
   该公司使用EMS进行内部通信。
3. 3. The EMS service is reliable and fast.
   EMS服务可靠且快速。