5. Do you want to make a counter-offer?
您是否还个价？
还能这样说：
Are you going to make a counter-offer?
Let's have you counter-offer.
应用解析：
make sheep's eyes 送秋波，眉目传情

6. There is no room for any reduction in price.
价格毫无再减的余地了。
还能这样说：
It is impossible to reduce the price.
The reduction in price is beyond discussion.
应用解析：
reduce oneself into 陷入……地步；
reduce to 把化合物分解为；碾碎；换成零钱

7. Business is closed at this price.
交易就按此价敲定。
还能这样说：
Business is dealt at this price.
The deal is done at the price.
应用解析：
close one's career 结束自己的事业；
close packing 密堆积；严密充填；
close shot 近景

8. As a token of friendship, we accept your counter-offer.
作为友谊的象征，我们接受你方还盘。
还能这样说：
In order to build our friendship between us, we agree your counter-offer.
We accept your counter-offer which symbolizes our friendship.
应用解析：
as a token of 作为……的标志（象征）；
by the same token 基于同样理由；况且；尤其