the service (electric power or water or transportation) provided by a public utility; "the cost of utilities never decreases"; "all the utilities were lost after the hurricane"
公益事業によって供給されるサービス(電力、水または交通)
utility
(economics) a measure that is to be maximized in any situation involving choice
(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"
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"