Blue and white is the classic colourcombination for bathrooms. It always looks smart and will never date.
蓝色和白色是浴室的经典色彩搭配，看起来总是很时髦，永远不会过时。
《柯林斯英汉双解大词典》
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"We discovered that bumblebees can use a combination of colour and spatial relationships in deciding which colour of flower to forage from," the students wrote in the paper's abstract.
YELLOW: Yellow and black is the most unignorable colourcombination in nature - tigers, stinging bees - it’s the colour that says: you’d better pay attention to me.