look-a-like product 山寨货（非正式）

英文释义

A new product that is very similar to an existing product, usually one that is already successful.

例句

Our company invented a popular new communications device, but our competitors are now producing cheaper look-a-like products that some customers prefer.

我们公司发明了一款畅销的新通讯产品，但我们的竞争对手正在生产一种更便宜的山寨货，受到了一些客户的喜爱。