development; exploitation
several years; a few years
sudden; abrupt; rapid; sharp; drastic; radical
to support; to prop; to sustain; to hold at bay; to stem; to check
one; 1; best; first; foremost; beginning; start
nature; spontaneity; natural airhead
common sense; good sense; common knowledge; general knowledge; common practice; accepted practice
distant (from someone); aloof; estranged; knowing little (of); ill-informed (about); ignorant (of)
to profit; to benefit from; to take advantage of; to make good use of
to the utmost; to the best of one's ability
numerical value; numerics; reading (on a meter, etc.)
to change; to swap; to change the object of one's interest or focus; to spend or take time; to infect; to permeate something with the smell or colour of something; to move on to the next or different stage of (a plan, etc.)
at hand; on hand; way of moving one's arms; skill; money at hand; pocket money
formula; equation; method of calculation; calculus
numeral; figure; digit; numeric character
business; task; use; purpose; for the use of ...; used for ...
equipment; device; installation; stage setting
image (on a screen); picture (e.g. on a TV); video; film; reflection; image (in one's mind)
processing; dealing with; treatment; disposition; disposal
quantitative; concerning the quantity
to finish up; to complete; to finish off; to get through; to polish off
private; non-governmental; non-official; folk; popular
mixing; compounding; dispensing (e.g. prescription)
to grapple with; to wrestle with; to engage in a bout; to tackle (e.g. a problem); to come to grips with; to work hard on
strength; power; proficiency; ability
immune strength; immunity
illness (usu. excluding minor ailments, e.g. common cold); disease; bad habit; bad behaviour; crazy; insane
(not) even once; (not) ever
(something) has never occurred; to have never done (something); such a thing has not happened; never happens; there is never a time when
influence; effect; to influence; to affect; to have an influence on
to distribute; to hand out
to stretch; to extend; to straighten out; to be flattened; to spread (of paint, cream, etc.); to stretch out (e.g. of a hand); to extend
up to now; so far; traditional; conventional; usual
to ascertain; to check; to make sure
potentiality; likelihood; possibility; availability
zero; 0; nought; nothing; zilch