3 sentences

1. 这家商场专卖各种轻工产品。

   zhè jiā shāng​chǎng zhuān​mài gè zhǒng qīng​gōng chǎn​pǐn.

   This shopping mall specializes in various light industrial products.

   Source: Dong Chinese Dictionary

2. 这家商店专卖各品牌的高档化妆品。

   zhè jiā shāng​diàn zhuān​mài gè pǐn​pái de gāo​dàng huà​zhuāng​pǐn.

   This store specializes in high-end cosmetics from various brands.

   Source: Dong Chinese Dictionary

3. 政府对烟草和食盐等商品实行专卖。

   zhèng​fǔ duì yān​cǎo hé shí​yán děng shāng​pǐn shí​xíng zhuān​mài.

   The government maintains a monopoly on commodities such as tobacco and salt.

   Source: Dong Chinese Dictionary