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English definition of “goldmine”

goldmine

noun [C]     /ˈɡəʊldmaɪn/ NATURAL RESOURCES
a place where gold is taken from the ground
something from which a person, company, etc. can earn a lot of money or that can provide a lot of something that people want: Manufacturers of computer-aided design systems are competing to take advantage of this potential goldmine.a goldmine of sth There's a goldmine of multimedia information at the site.
(Definition of goldmine noun from the Cambridge Business English Dictionary © Cambridge University Press)
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