HSK V5
Correct

买卖

/ mǎimài / 
Strokes

Definition

buying and selling/business/business transactions/CL:桩[zhuāng],次[cì]

Example

As a Verb

buy and sell

1
Mǎimàigōngpíng
买卖公平

be fair in buying and selling; buy and sell at reasonable prices; do square business

2
Mǎimài
买卖
bùgōng
不公

buy and sell at an unreasonable price

3
Mǎimài
买卖
rénkǒu
人口

deal/traffic in human beings