商务英语之报盘与还盘（Offer & Counter-Offer）3
Our offers are for 3 days.
We have extended the offer as per as your request.
The offer holds good until 5 o'clock p.m. 23nd of June, 1997, Beijing time.
All prices in the price lists are subject to our confirmation.
This offer is subject to your reply reaching here before the end of this month.
This offer is subject to the goods being unsold.
I'm afraid the offer is unacceptable.
The offer is not workable.
The offer is given without engagement.
It is difficult to quote without full details.
Buyers do not welcome offers made at wide intervals.
We cannot make any headway with your offer.
Please renew your offer for two days further.
Please renew your offer on the same terms and conditions.
We regret we have to decline your offer.
The offer is withdrawn.
We prefer to withhold offers for a time.
Buyers are worried at the lack of offer.