这个市场上存在着非法贩卖的活动。

zhège shìchǎng shàng cúnzàizhe fēifǎ fànmài de huódòng.

There are illegal trafficking activities in this market.

他因为贩卖假药而被判刑。

tā yīnwèi fànmài jiǎyào ér bèi pàn xíng.

He was sentenced for trafficking counterfeit drugs.

这个团伙涉及贩卖毒品。

zhège tuánhuǒ shèjí fànmài dúpǐn.

This gang is involved in drug trafficking.