Discrimination in wages (in predominantly male occupations over the predominantly female has) given rise to substantial differentials between the wages of housepainters and secretaries and between the wages of parking-lot attendants and library assistants.
括弧里的介词短语是不是用来修饰wages? 如果是的话，其中的over应该怎么解释呢？
如果要我改，我就改成
Discrimination between wages in predominantly male occupations and those in the predominantly female ones has given rise to…..
嘿嘿，可惜没有这个答案
