3 sentences for 商 (shāng — commerce)

1. 他辞去了公职，选择下海从商。

   tā cí​qù le gōng​zhí, xuǎn​zé xià​hǎi cóng shāng.

   He resigned from his public office to go into business.

   Source: Dong Chinese Dictionary

2. 该地自古以来就是繁华的商埠。

   gāi dì zì​gǔ​yǐ​lái jiù shì fán​huá de shāng bù.

   This place has been a bustling commercial port since ancient times.

   Source: Dong Chinese Dictionary

3. 古人常将社会阶层划分为士、农、工、商。

   gǔ​rén cháng jiāng shè​huì jiē​céng huà​fēn wéi shì, nóng, gōng, shāng.

   Ancient people often divided society into four classes: scholars, farmers, artisans, and merchants.

   Source: Dong Chinese Dictionary