我对他们衣服的质量印象深刻。

I was impressed by the ___quality of their clothes.

它们比我想象的贵，但我宁要质量不要数量。

They're more expensive than I expected but I prefer ___quality to quantity.

这个产品的高质量使其物有所值。

The high ___quality of this product makes it worth the price.