shì / chǎng / shàng / de / tóng / zhì / chǎn / pǐn / tài / duō / xiāo / fèi / zhě / hěn / nán / qū / fēn

市场上的同质产品太多，消费者很难区分。

There are too many homogeneous products on the market, making it difficult for consumers to tell them apart.