And specialized coatings are more expensive than materials like plain old glass.

对较大容器进行均匀喷涂还是会很棘手。这种特殊涂料比普通的旧玻璃昂贵得多。

The two new color options have a unique hyper optical pattern, which looks really slick and isn't going to attract fingerprints as much as plain glass backs.

两种新颜色都有独特的超光学材质，看起来非常光滑，并且不会像普通玻璃背面那样轻易留下指纹。