9. In response to an inquiry, quotations may be sent.
在答复询价时，可寄送报价单。
还能这样说：
Quotations should be sent when you respond the inquiry.
You should respond the inquiry together with the quotations.
应用解析：
inquire a matter of sb. 向某人打听一件事；
inquire about 查问，打听；
inquire after 问候

10. This offer is based on an expanding market and is competitive.
此报盘着眼于扩大销路而且很有竞争性。
还能这样说：
This offer is focusing on increasing their markets and is competitive.
This offer can enlarge the market and is competitive.
应用解析：
futures market 期货市场；
service market 劳务市场

11. Your early offer will be highly appreciated.
请早日发盘不甚感谢。
还能这样说：
We feel gratitude for your early offer.
We thank you if you can quote us.
谚语：
Who will bell the cat?
谁去给猫系铃铛？（谁愿意为大家冒险？）

12. Our offers are firm for 5 days.
我们的报盘五天有效。
还能这样说：
You can keep our offer for 5 days.
Our offer is valid for 5 days.
应用解析：
stand firm 不后退，不让步，坚定不移；
firm again sth. 稳定，坚挺；
be on firm ground 对事实确信无疑；
a firm hand 严明的纪律；牢固控制

13. We'd rather withhold the offer for a while.
我们宁愿暂停报盘。
还能这样说：
We prefer suspending our quotation for a time.
We'd like to withhold the quotations for a moment.
应用解析：
withhold one's decision 保留决定；
withhold the pressure 挡住压力；
withhold from 使……得不到；忍住不……抵制住