As I told the teaching fellows, I had a colleague in those days who looked at me enviously and said he wished he had the black leather concession at the door.

我跟学生讲，有个同事特别羡慕我,希望自己的门上也有那样的黑色皮革。

耶鲁公开课 - 文学理论导论课程节选

The color black or the lack of color that is black is...

黑色，或缺少色彩的，也指黑色，是……

上东区的氛围 - SpeakingMax英语口语达人