- 做买卖 zuòmǎimài to do businessTo buy and sell goods; to be engaged in trade or commerce; to carry on business
- 小买卖 xiǎomǎimài petty tradeSmall-scale business or petty selling that requires little capital
- 一锤子买卖 yīchuízimǎimài one-shot deala short-sighted, one-off business transaction that ignores long-term consequences; an all-out attempt where success or failure rests on a single action
- 买卖人 mǎimàirén businessmantrader or merchant; someone who makes a living through buying and selling
- 买卖公平 mǎimàigōngpíng fair tradeTo buy and sell at fair or reasonable prices
- 跑买卖 pǎomǎimài to work as a traveling salespersonTo travel from place to place engaged in trade; to be a commercial traveler.
- 拉买卖 lāmǎimài to solicit businessTo draw in customers or promote sales; to act as a broker by recruiting clients or soliciting business
- 苦买卖 kǔmǎimài tough businessdifficult business or trade that yields very low profits
- 证券柜台买卖中心 zhèngquànguìtáimǎimàizhōngxīn GreTai Securities MarketTaiwan's over-the-counter stock exchange, now officially named the [[台北证券交易所|臺北證券交易所|tai2 bei3 zheng4 quan4 jiao1 yi4 suo3]]
- 投机买卖 tóujīmǎimài to engage in speculationto engage in speculative trade or trading
- 买卖业 mǎimàiyè commercethe business of buying and selling; a trade or industry based on purchasing goods and reselling them for profit
- 买卖人口 mǎimàirénkǒu human traffickingTo deal in human beings; to engage in the trade of people as if they were goods.