to make or become different
He has changed since I saw him last.
cheap
low in price
Eggs are cheap just now.
discount
a (small) sum taken off the price of something
He gave me a discount of 20%.
dollar
(usually abbreviated to $ when written) the standard unit of currency in several countries, eg the United States, Australia, Singapore
It costs ten dollars
exchange
the giving and taking of one thing for another
An exchange of opinions is helpful.
expensive
costing a great deal expensive clothes.
get money back
to receive money that you had already given
I got my money back from the company because the phone did not work.
pay
to give (money) to (someone) in exchange for goods, services etc
He paid $5 for the book.
price
the amount of money for which a thing is or can be bought or sold; the cost
The price of the book was $10.
return
the act of returning
On our return, we found the house had been burgled
sale
the act of giving something to someone in exchange for money sales of cars have increased.