3 sentences

1. 这家商店既批发也零售。

   zhè jiā shāng​diàn jì pī​fā yě líng​shòu.

   This shop does both wholesale and retail.

   Source: Dong Chinese Dictionary

2. 在批发市场买东西更划。

   zài pī​fā shì​chǎng mǎi dōng​xi gèng huá.

   It is more cost-effective to buy things at a wholesale market.

   Source: Dong Chinese Dictionary

3. 这家商店主要经营服装批发业务。

   zhè jiā shāng​diàn zhǔ​yào jīng​yíng fú​zhuāng pī​fā yè​wù.

   This store mainly deals in the wholesale of clothing.

   Source: Dong Chinese Dictionary