题目内容：

What is the major difference between D/P and D/A?

优质解答

D/P和D/A的区别是,D/P必须付款买单,先交钱后交提单,如银行私自放单,责任在银行；D/A进口商在汇票上承兑XX天后支付货款,即可取提单,如逾期不支付货款,银行无责任.