"Women had to get an education to keep up, and over the years that has started to translate into a difference in wages," Wittner added.
“妇女必须受教育才能跟上男人，长此以往就开始转化为报酬差异了，”维特纳接着说。
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"For a long time, men didn't need education to make a decent wage — they could go into manufacturing or other labor," said Jenny Wittner, associate director of the advocacy group Women Employed.