A public utility (usually just utility) is a company that maintains and provides the infrastructure for a public service. Although utilities can be privately owned or publicly owned, they often involve natural monopolies.
- public utility [ˈpʌblik - juˈtiliti] n.公用事业
- infrastructure [ˈinfrəˌstrʌktʃə] n.基础设施
- privately owned [ˈpraɪvɪtlɪ - əund] adj. 私有的
- publicly owned [ˈpʌblɪkli: - əund] adj. 公有的
- monopoly [məˈnɔpəli] n.垄断
