Definition from macmillandictionary.com
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This programme could not have been successful without Ken’s valuable contribution.
her major contribution to the peace process
Community police have made a very positive contribution to crime prevention.
We asked parents for a contribution towards the cost of the trip.
His company made a very large contribution to the campaign fund.
Each of us was asked to make a contribution of £25.
Pension contributions have risen steadily over the last few years.
If you earn less, you don’t pay contributions at all.