【单选题】Under _____, the seller can feel assured that so long as he has made the delivery of the goods and got the required documents he can get the payment of the goods in time and the buyer can also feel at...
【单选题】Under ______, the seller can feel assured that so long as he has made the delivery of the goods and got the required documents he can get the payment of the goods in time and the buyer can also feel a...