英和和英

position or line of employment

It's necessary.

something that is indispensable

of something, to be needed

do the necessary

to be necessary

It is necessary.

a necessary thing

the matter which must be addressed

have need of

necessity

Is required

something you have to do

do the needful

according to the need

of something, to be proper

want to have

just as it should be

the degree of indispensability

a thing which must be done

to be pressed by necessity

absolutely necessary

that should be done

by necessity

the degree of necessity

absolutely essential

to meet a need

to be sufficient

not necessary

as much as necessary