人们在市场上讨价还价。

People are ___bargaining in the market.

经过几轮讨价还价，双方终于达成了协议。

After several rounds of ___bargaining, both sides finally reached an agreement.

他在市场里讨价还价，想把那件衬衫的价格再压低些。

He was ___bargaining in the market to get the price of that shirt even lower.