There is still significant inequality between the sexes in many workplaces.

inequality 是由前缀 in-（表示"否定"）和名词 equality（平等）组成的复合名词。equality 来自形容词 equal（平等的）加上名词后缀 -ity。 inequality 字面意思是"不平等"，指不同群体之间在权利、机会或待遇上的差异。