17、鼓励在报价期限内订货 Owing to a rush of orders, we cannot keep the prices effective for more than a month from the date of this letter and would like to receive your order as soon as possible. We hope that this will meet your immediate approval.
18、因市场活跃，提醒对方报价的期限 We request you pay special importance to the validity of this offer. Your immediate fax reply on receipt of this letter is imperative. The reason for this is due to the prompt marking up of the market price now and we will have a prospect of about a 50% increase in a week’s time.
19、通知报价的期限 All our offers are to be held in force for ten days after the time of dispatch unless stated to the contrary at the time of fax. We would remind you that we cannot accept your order once they have elapsed.
20、因对方没有询价，通知对方报价期限 We have many inquiries for the goods of this offer and there is no knowing when they will be cleared. Therefore we hold it open only for a week, and if you need the goods, please make your offer at once.
21、通知对方注意报价期限 The offer remains in force until May 10. Please be sure to place your order with us by the date mentioned above.
