When there are problems with L- or M-cones the color appearance is mostly based on blue and yellow hues, the complimentary color pair red-green cannot be perceived correctly.
当L-和M-cone存在问题时，颜色的呈现则大多都是基于蓝、黄两个色调，由此导致不能正确的接收值得推荐的红-绿配色。
Ann of Green Gables is a masterpiece by Canadian authoress L. M. Montgomery.
《绿山墙的安妮》是加拿大女作家露西·蒙哥玛利的代表作。
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