To bargain or haggle over the price of something.
讨索取。买卖东西，卖主要价高，买主给价低，双方要反复争议。也比喻在进行谈判时反复争议，或接受任务时讲条件。
明·冯梦龙《古今小说》卷一三巧儿问了他讨价还价，便道‘真个亏你些儿。’”
In the market, you have to bargain to get a good deal.
Learn the next connected idiom: 讨价还价 (tǎo jià huán jià) → 价廉物美 (jià lián wù měi)
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