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.
trade
Verb
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When two people trade, one gives something to the other and the other gives something to the first one. They make an exchange. Sometimes money is one of the things.
trade
Noun
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Trade is the buying and selling of goods.
Trade between Canada and the US is at its highest level in years.
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A trade is the act of trading.
I think I made a good trade.
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A trade is a job that needs a special skill to do.
The carpenters trade involves making things from wood.
He went to trade school to become a plumber.