请帮我写一份有关于Gender Wage/Gender Roles in the work place的五分钟演讲稿，高三水平就行

Gender Wage
"The U.S. Census Bureau has made available statistics on women’s and men’s earnings for several decades. By examining this time series of data, it is possible to get a feel for the changes and trends in earnings. One thing revealed by a simple visual examination of the series since 1960 is how closely the shapes of the two lines parallel each other. The dips and bumps in women’s and men’s earnings seem to move in tandem. Clearly, similar economic and social forces are at work in influencing the rise and fall of earnings for both sexes. Men’s earnings do not stand still and wait for women’s to catch up."
"The series of data points from 1960 onward provides a basis for a forecast of the future, although such forecasts are always estimates rather than hard certainties. When we used forecasting analyses to project the earnings of women and men into the future, to the year 2010, we found no evidence on which we could base a prediction for a closing (