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：uncompromising; absolute：black-and-white rules。

5. 记录、事实：facts or documents that are written down or recorded：the black and white of the law.