随着母亲教育水平的提高，距离衰减减弱。
Distance decay was attenuated by increased levels of maternal education.
这得益于教育水平的提高。
收入一般随教育水平的提高而增长，不同教育水平的女子工资相比于男子都在增长。
Income tends to rise with education, and women's earnings have risen relative to men's at every level of schooling.
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