A. 卖方 B. 债务人 C. 出口保理商 D. 进口保理商
A. 销售分类账管理(maintenance of the sales ledger) B. 坏账担保(protection against bad debts) C. 贸易融资(trade financing) D. 债款回收(collection from debtors)
A. 对 B. 错