All the records of the same color must be processed in order, but the purples, blues, and reds can be processed in parallel.
所有相同颜色的记录都要按顺序处理，但其中的紫色、蓝色和红色的记录可以被并行处理。
Use decent paper in a neutral, soft colour such as cream or white, and write with classy black or brown ink - no blues, greens or reds!
用纸要体面，纸的颜色要柔和、不可艳丽，就像奶油或者蛋白一样；要用黑色或棕色墨水——不要用蓝色、绿色，更不要用红色！
Humans are pretty good at seeing reds, blues, and yellows, but for animals ranging from bees to reindeer, ultraviolet lights up their vision.
人眼善于分辨红色，蓝色和黄色，但是对于蜜蜂和驯鹿之类的动物来说，紫外线却能让他们看得更清楚。
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