The durable, efficient, self-sharpening, protective, non-black surface, the high finish.
该产品耐用、高效、自锐、防堵、工件表面不发黑、光洁度高。
2
She is the youngest chancellor ever of DC's public schools and the first non-black to run the system in four decades.
她是这些公立学校有史以来最年轻的长官，也是该体系中40年来第一个白人领导者。
3
Thus, there's a subset of criticism that must of necessity be reserved for me, even if every non-black member of the court agrees with the idea or the opinion.