3 sentences

1. 这种名牌包是昂贵的奢侈品。

   zhè zhǒng míng​pái bāo shì áng​guì de shē​chǐ​pǐn.

   This brand-name bag is an expensive luxury item.

   Source: Dong Chinese Dictionary

2. 市场上有很多冒牌的奢侈品。

   shì​chǎng shàng yǒu hěn​duō mào​pái de shē​chǐ​pǐn.

   There are many counterfeit luxury goods on the market.

   Source: Dong Chinese Dictionary

3. 购买高档奢侈品通常需要缴纳一定比例的消费税。

   gòu​mǎi gāo​dàng shē​chǐ​pǐn tōng​cháng xū​yào jiǎo​nà yī​dìng bǐ​lì de xiāo​fèi​shuì.

   Buying high-end luxury goods usually requires paying a certain percentage of consumption tax.

   Source: Dong Chinese Dictionary