The cassettes were of inferior quality.

这些盒式磁带质量较差。

They had bought goods of inferior quality.

他们购买了质量差的商品。

We are lodging a claim for inferior quality.

我们要对质量不合格进行索赔。

They stopped manufacturing goods of inferior quality.

他们不再生产质量低劣的产品。

I won't pay top prices for goods of inferior quality.

我不愿付高价买那些质量低劣的商品。