英和和英

have need of

in this exigency

do the necessary

of something, to be needed

Is required

according to the need

to be necessary

meet a need

by necessity

a necessary thing

moderate demands

more than is needed

to meet the need―fill a need―minister to one's needs

to supply the demand―meet the demand

It is necessary.

to meet a need

It's necessary.

to meet a need―meet a want

action having to do with progress of action or matter (do more than is necessary)

You will be required to do so.

in submission to his needs

as much as necessary

to be provided with necessities

position or line of employment

want to have

a required subject

the degree of necessity

to be pressed by necessity

to suit the exigency

urgently needed