关于Terms of sale and payment的问题
关于Terms of sale and payment的问题
请用英语简短做答 1,2句即可
1.What are terms of sale?
2.Why do business firms use credit,rather than cash,for many global trade transactions?
3.What is a bill of lading?What functions does it perform?
4.When is barter used in international transactions?
5.What is a letter of credit,as used in international transactions?Why would one be used?