The towns farther away from New Haven tended to be wealthier, with the ethnic lines more blurred.
周边的地区，离纽黑文越远越富庶，而且种族之间的界限也更加模糊。
Some pessimists meanwhile point out that a divided executive may make Kenya more unstable, especially if the division is along ethnic lines.
但一些悲观者同时指出，划分权力的做法只会给肯尼亚添乱，尤其是按种族划分的话。
Conclusion: the same gene mutation may play different roles in different populations because of the differences of geographic environment, ethnic lines and living conditions.
结论：由于地理环境、种族和生活条件的不同，相同的基因突变在不同的人群中所起的作用可能不同。
Conclusion: the same gene mutation may play different roles in different populations because of the differences of geographic environment, ethnic lines and living conditions.
结论：由于地理环境、种族和生活条件的不同，相同的基因突变在不同的人群中所起的作用可能不同。
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