black and white是什么意思
"Black and white"可以指以下含义： 1. 黑白（的颜色）：black and white colors。 2. 黑白照片：black and white photographs。 3. 二元对立、非灰即白：not allowing for shades of gray; involving a clear distinction between right and wrong：a black and white moral issue。 4. 明确无误、绝对...