重点词汇：
1. irrevocable 2. insist on 3. draw on 4. to meet you halfway
下面我们来看看这几个词汇是怎么用在这个情景对话中的：
a: well, we've settled the question of price, quality and quantity. now what about the terms of payment? a: 好吧，我们已经谈妥了价格、质量和数量问题。现在谈谈付款条件，怎么样？
b: we only accept payment by irrevocable letter of credit payable against shipping documents. b: 我们只接受不可撤消的凭装船单据付款的信用证。
a: i see. could you make an exception and accept d/a or d/p? a: 哦，你们能不能来个例外，接受承兑交单或付款交单？
b: i'm afraid not. we insist on a letter of credit. b: 恐怕不行，我们坚持用信用证条款。
a: to tell you frankly, a letter of credit would increase the cost of my import. when i open a letter of credit with a bank, i have to pay a deposit. that'll tie up my money and add to my cost. a: 坦率地说，信用证会增加我方进口货的成本，要在银行开立信用证，我得付一笔押金。这样，那一部分资金就无法周转，因此会增加成本。
b: consult your band and see if they will reduce the required deposit to a minimum. b: 你和开证行商量一下，是否把押金设法减少到最低限度。
a: still, there will be bank charges in connection with the credit. it would help me greatly if you would accept d/a or d/p. you can draw on me just as if there were a letter of credit. it makes no great difference to you, but it does to me. a: 即使那样，开立信用证还要付银行手续费。假如你能接受承兑交单或付款交单，这就帮我大忙了。你就当作有信用证一样，向我开汇票，这对你来说区别不大，但是对我关系可大了。
b: well, mr schmidt, you must be aware that an irrevocable letter of credit gives the exporter the additional protection of the banker's guarantee. we always re
quire l/c for our exports. and the other way round, we pay by l/c for our imports. b: 史密特先生，你一定知道，不可撤消的信用证给出口商增加了银行的担保。我们出口一向要求用信用证；反过来讲，我们进口也采用信用证付款。
a: to meet you half-way, what do you say to 50% by l/c and the balance by d/p? a: 我们都退让一步吧，货价的百分之五十用信用证，其余的用付款交单，你看怎么样？
b: i'm very sorry, mr schmidt, but i'm afraid i can't promise you even that. as i've said, we require payment by l/c. b: 很对不起，史密特先生。即使那样，我恐怕也不能答应。我已经说过了，我们要求用信用证付款。
请用重点词汇填空（要注意时态）：
1. we'll you with our draft accompanied with shipping documents.
2. i'm afraid we must payment by l/c.
3. , we'll give you a commission of 2%.
4. they only accept payment by letter of credit payable against shipping documents.
答案： 1. draw on 2. insist on 3. to meet you half-way 4. irrevocable
