7 拒绝还盘
3句英文任你选
I appreciate your counter-offer but find it too low.
谢谢您的还价，可我觉得太低了。
My offer was based on reasonable profit, not on wild speculations.
我的报价以合理利润为依据，不是漫天要价。
This is our rock-bottom price , and we can't make any further reduction.
这是我方的最低价格，我们不能再让了。

半个句型要记牢
be based on -(以……为基础，基于)

Tip:
固定词组，主要根据语义运用，没有特殊用法。如 This song is based on an old folk tune. (这首歌曲是以一首民间小调为基础的。)还盘还一些术语 withhold an offer (停盘)， withdraw an offer (撤盘)， extend an offer (延长报盘)。