Subject + 讨价还价
讨价还价 (tǎojiàhuánjià) means to bargain or haggle over a price, describing the back-and-forth negotiation between buyer and seller. It is a four-character compound that literally means "ask a price, counter a price" and is common in market and business contexts.
在那个市场买东西一定要讨价还价。
Zài nàge shìchǎng mǎi dōngxi yīdìng yào tǎojià huánjià.
You definitely have to bargain when buying things at that market.
她特别会讨价还价,总能拿到最低价。
Tā tèbié huì tǎojià huánjià, zǒng néng ná dào zuìdī jià.
She's really good at bargaining and always gets the lowest price.
这家店明码标价,不能讨价还价。
Zhè jiā diàn míngmǎ biāojià, bù néng tǎojià huánjià.
This store has fixed prices; you can't bargain.