deal in

经营

dead weight, dead-beat, dead-pan, deaden, deadened, deadline, deadliness, deadlock, deadly, deadly nightshade, deadpan, deaf, deaf mute, deaf-aid, deaf-and-dumb, deafen, deafening, deafeningly, deafness, deal, deal out, deal with, dealer, dealing, dealt, dean, deanery, dear, dearest, dearly, dearness, dearth, deary (also dearie), death, death certificate, death duty, death penalty, death rate, death row (also death house), death's head,