sub-post office

例句：

1. 1. The sub-post office is located in the heart of the city.
   邮政支局位于市中心。
2. 2. The sub-post office provides mail delivery services to rural areas.
   邮政支局为农村地区提供邮件投递服务。
3. 3. The sub-post office staff are always ready to assist customers with their needs.
   邮政支局的工作人员总是准备就绪，以帮助客户满足他们的需求。