s:hello ,what can i do for you.g:i want to buy a jacket for my son.s:oh ,what size are you want g:%#* s:ok,what color does he like g:i think it is blue ,s :do you like this one .g :oh,very much ,how much this one?s:forty dolls!g:here you are ,thanks.s:you are welcome .(g 顾客s售货员)望采纳