utility
- n. 实用；效用；公共设施；功用
- adj. 实用的；通用的；有多种用途的
英英释意
- 1. a company that performs a public service; subject to government regulation
- 2. the quality of being of practical use
- 3. the service provided by a utility company;
- "the cost of utilities never decreases"
- 4. (economics) a measure that is to be maximized in any situation involving choice
- 5. (computer science) a program designed for general support of the processes of a computer;
- "a computer system provides utility programs to perform the tasks needed by most users"
- 6. a facility composed of one or more pieces of equipment connected to or part of a structure and designed to provide a service such as heat or electricity or water or sewage disposal;
- "the price of the house included all utilities"