最高的发病率主要在人的皮肤最为白皙并且将皮肤晒黑的文化最为强烈的国家：澳大利亚、新西兰、北美和北欧。
The highest rates are found mainly in those nations where people are fairest-skinned and where the sun tanning culture is strongest: Australia, New Zealand, north America and northern Europe.
最高的发病率主要在人的皮肤最为白皙并且将皮肤晒黑的文化最为强烈的国家：澳大利亚、新西兰、北美和北欧。
The highest rates are found mainly in those nations where people are fairest-skinned and where the sun tanning culture is strongest: Australia, New Zealand, north America and northern Europe.
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