全世界黑素瘤发病率的差异超过150倍。
Worldwide, the incidence of melanoma varies more than 150-fold.
同离婚一样，结婚率的差异也与人种和种族有关。
As with divorce, marriage rates vary with race and ethnicity.
通过实例显示了一般伤残率和伤残免缴率的差异。
Finally, an example is given to show the distinction between the rate of waiver of premium and the rate of disability.
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