A—profit margin G—procedure of arbitrationB—trade mark H—risk of contaminationC—seaworthy export packing I—settlement on accountD—certificate of origin J—retail priceE—quality as per buyer' s sample K—find a ready marketF—export declaration L—enjoy popular pricesM—settle account O—be in a position to do sth.N—export licensing positionExamples：(J)零售价 (A)利润额