여성의 경제 활동 참여가 미미하고 여성들의 소득 수준이 남성에 비해 크게 낮았던 과거에는 여성의 소득이 남성보다 낮은 것이 당연하게 여겨졌다.
When women's economic participation was low and women's income levels were significantly lower than men's, it was assumed that women's incomes were lower.