buyI need to buy some new shoes.
getI need to go to the supermarket and get some bread.
purchaseformalShe purchased a new computer.
pick something upCan you just pop in the shop and pick up some eggs?
snap something upinformalIt was such a good deal, I snapped it up.
stock up (on)People are stocking up on supplies in anticipation of the hurricane.
shopI hate to shop in the evenings.
go shoppingI have to go shopping this weekend.
importWe import a large number of cars from Japan.
invest inWe've decided it's time to invest in a new computer.
treatI'll treat you to a cup of coffee.