Englishfor English speakers
profitable
Adjective
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If something is profitable, it means it is money-making or it produces other good results.
Our product was a profitable one for years, and we retired as millionaires.
I made a profitable study of French. I spoke the language fluently within months.
year
Noun
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A measure of the time taken for the earth to circle the sun - any 12 month period
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There are 12 months in one year
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There are 365 days in one year and sometimes 366 days