顾客在市场上与商贩讨价还价了好半天。

The customer spent a long time ___haggling with the vendor over the price at the market.

他们在市场里为了那件工艺品讨价还价了半小时。

They spent half an hour ___haggling over the price of that handicraft in the market.

他们一直在为几块钱讨价还价，浪费了半小时。

They spent half an hour ___haggling over a few dollars.