Totrade____thepeopleofalleountries____thebasisofequalityandmutualbenefitisourestablishedpolicy.
翻译：WeadvisedyouinourletterofDec.1,thatwewouldliketoplaceatrialorderwithyoufor50piecesFlyingPigeonBicycles.
Sincethepremiumvarieswiththescopeof____extrapremiumisforbuyer'saccount,shouldadditionalsiskecovered?()
Childrenhaveanatural________abouttheworldaroundthem.
WeshallcancelthecontractifyoufailtoopentherelativeL/C____theendofthisyear.
