（2）entertain 一词在课文中意思是“考虑、”接受“， 有时间可和accept换用。
We wish to point out that this is our best price and we are not able to entertain any counter offer.
We cannot at present entertain any fresh orders owing to heavy commistments.
4. As far as I know, you did sometimes agree to such mode of payment ,didn't you?
agree to 同意某一建议，安排
If you agree to our terms, the business will no doubt be settled.
I quite agree with you in your views of the business possibities in the near future.
If your shirts agree with the taste of our market, we feel confident of placing a trial order with you.
Fish does not agree with me.
agree on . 就……取得一致意见
I’m glad that we’ve agreed on terms and conditions of the contract after repeated negotiation.
5. You should understand, it will involve great expense to open an L/C with a bank in our country.
involve v. 涉及，使卷入
This plan involves a lot of difficulties and expenses.
如果指“把某人牵连入……之中， 则用involve someone in。
Any change of specifications would involve us in a great deal of trouble.
We hope this arrangement will not involve you in too much expense.
6. Moreover, it doesn’t pay for an order of such small amount.
It doesn’t pay是个习语，表示“不值得”、“不合算”。
It doesn’t pay to buy in small quantities.
Do you think it pays to run a factory just for a few orders?
7. As for regular orders in future, could you agree to time L/C?
as for 关于，至于
外贸英语中表达“关于，至于”的短语很多，如as for ,as to ,as regards, with regard to ,regarding等。
As for Butterfly Folded Chairs, we would inform you that the few parcels we have at present are under offer elsewhere.
As regards the balance, we will advise you of the position in a few days.
We cannot agree with you as to the time of shipment.
（这个句子中的as to 可以用上述各短语代替，但as for 除外主，as for 只能用于句首）
8. One thing at a time.