英和和英

It's necessary.

of something, to be needed

to be necessary

position or line of employment

according to the need

something that is indispensable

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

It is necessary.

the degree of necessity

something you have to do

the matter which must be addressed

when the need arises

a thing which must be done

to cause necessity―necessitate

the degree of indispensability

You will be required to do so.

something desired as a necessity

have need of

to urge （on one） the necessity of something―impress upon one the importance of something

of something or someone, to be an absolutely necessary part of something

more than is needed

to be provided with necessities

to be furnished with the necessities

immediate needs

exceeding demand

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

required by rule

urgently needed

A correction needs to be made.

a necessary commodity for which demand is constant