Englishfor English speakers
invoice
Noun
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An invoice is a commercial document that states the quantities and prices for the products or services provided by the seller. It is given to the buyer when he buys goods on credit or when he has not paid money for the services given to him.
machine
Noun
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A machine is a man-made object with moving parts.
I'm putting the clothes in the washing machine. Is there anything you want washed?
This new machine is the fastest computer I've ever had.
machine
Verb
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If you machine something you fasten or shape it with a machine.