The basic facilities, services, and installations needed for the functioning of a community or society, such as transportation and communications systems, water and power lines, and public institutions including schools, post offices, and prisons.
英
美
- 基础设施社会或社区正常运作所需要的基本设施，服务和安装设备等，如交通与通信系统，水与电力供给线，以及学校、邮局和监狱等公共机构
