Simple trade (4)
I believe the answer is:
swap
(Other definitions for swap that I've seen before include "trade" , "Wasp (anag)" , "Exchange, substitute" , "Exchange goods" , "Exchange, barter" .)
I believe the answer is:
swap
(Other definitions for swap that I've seen before include "trade" , "Wasp (anag)" , "Exchange, substitute" , "Exchange goods" , "Exchange, barter" .)