1. Counter offer 还盘，还价。

指受盘人对原报盘提出修改。

We have to note that your counter offer is unreasonable.

2. be in a position to 能够做

At present moment, we are not in a position to supply all what you need.

3. be on (rather) high side (价格偏高）

The price you offered is on rather high side compared with those of other suppliers.

4. allowance 折扣

The dealer gave us an allowance on our old car.

5. push v. 促销

They aren’t really pushing their business enough.

The author pushed her latest book.

6. expanding market 扩大的市场

7. in reply 作为答复

这个短语可以放在句首，倘若放在一封信的句首，则应写为：

In reply to your letter of…

其他类似的表达方式还有 in response to, in reply (to), replying to , as a reply等。

e.g. In response to your enquiry of May 1, we now offer you handbags as follows.