A：Is this your standard price ?
      这是你们的基本准价吗？

B：Yes ,it is .
      是的

A：It seems too high to me.
      好像贵了一点。

B：We can negotiate the unit price for large orders .
      如果大量订购，单价可以再谈。

1. 谈判;协商;洽谈
    If people negotiate with each other or negotiate an agreement, they talk about a problem or a situation such as a business arrangement in order to solve the problem or complete the arrangement.

negotiate是什么意思

    e.g. It is not clear whether the president is willing to negotiate with the democrats...
           还不清楚总统是否愿意和民主人士洽谈。
    e.g. When you have two adversaries negotiating, you need to be on neutral territory...
           让敌对双方坐下来谈判时，你得保持中立。

2. 顺利通过;成功越过
    If you negotiate an area of land, a place, or an obstacle, you successfully travel across it or around it.

    e.g. Frank Mariano negotiates the desert terrain in his battered pickup...
           弗兰克·马里亚诺驾驶他那辆破烂不堪的皮卡车成功穿越了沙漠地带。
    e.g. I negotiated the corner on my motorbike and pulled to a stop...
           我骑摩托车顺利通过拐角，然后停了下来。