Share B1 - VOCAB REVISION BUYING SELLING INVENTIONS
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Money that you owe to another person or a bank
debt
A person who buys things from a shop
customer
A piece of paper showing what you bought and how much you paid
receipt
A small useful tool or device, usually electronic
gadget
Not natural, made by people or machines
artificial
To find something new for the first time
discover
The money you pay for a service a course or a club
fee
To make a number or an amount smaller
decrease
To put money into a business so it can grow
invest
A lot of different things of the same type
variety
A book or website that shows the products a shop sells
catalogue
A picture video or pop-up that tries to make you buy something
advertisement
A small round piece of metal money
coin
To use money time or food badly so it has no result
waste
To buy something (a more formal word for "buy")
purchase
To have enough money to buy something
afford
