英和和英

usefulness

usefulness of a thing

be of use

be helpful or useful

to be useful―of use―serviceable―of service―good for something―to come in useful―serve one's purpose―prove of service―render service―stand one in stead

the state of being useful

a utilitarian

a utilitarian

the degree of usefulness of a thing or a person

a thing that is useful

to serve

potentially useful

effectiveness of matter (be useful)

the rate of utilization

effective utilization of assets

a multiplicity of uses

a multiplicity of uses

user‐friendly

user‐friendly

to take public service

a useful way of using something

a useful tool

be useful for a certain purpose

to put something to some use

practical application

help people

the state or quality of being convenient to use

to begin to be useful

be of use to, be useful to

convenient to use