英和和英

required activity

I will work if necessary―if need be.

to work under the pressure of necessity

need the spur

clamant needs

on-the-job requirements

immediate needs

require exertion

in need of repairs

have need of

do the necessary

to be necessary

urgent necessity

the act of requiring

to complete one's business

urgently needed

demand and supply

effective demand

to suit the exigency

It is necessary.

He works of necessity

He works of necessity

task to be done as needed

It take many men―requires a number of hands.

We require many hands.

supply the need for jobs

necessity

It's necessary.

needing nourishment

Is required