The magnified black white positive separation plates of the negativecolor film were made with an ordinary enlarger and the filters of red, green and blue.
其彩色负片分别用红、绿、蓝滤色镜及普通放大机分色放大，制成黑白正版。
2
That negative Tweet two years ago about the color of someone's shoes?
那个两年前关于某人鞋的颜色的负面推特？
3
For example, whenever you have a color display you might want to render balances for a bank account as black Numbers if they are positive, and as red Numbers if they are negative.