public utility

public-utility的词性：
n.（名词）

1. A private business organization, subject to governmental regulation, that provides an essential commodity or service, such as water, electricity, transportation, or communication, to the public.
公用事业：遵守政府规定的为公众提供水、电、运输或通讯等重要日用品或服务的私营事业组织

2. Often public utilities Stock shares issued by a company providing essential public services.
常作 public utilities 公共事业股：提供重要公益服务的公司所发行的股票