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English definition of “invest”

invest

verb [I/T]  /ɪnˈvest/ us  
to put money or effort into something to make a profit or achieve a result: [T] She tends to invest a lot of energy in her work. [I] I think it’s time to invest in (= buy) a new washing machine.
(Definition of invest from the Cambridge Academic Content Dictionary © Cambridge University Press)
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