2012年12月英语四级作文真题:Education pays

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This survey is the education pays in higher earnings and lower unemployment rates.This source is from the Bureau of labor statistics,current population survey. The date came from person's age 25 and over. Earnings are for full-time wage and salary workers.In the picture we can see that the degrees higher the weekly earnings will higher and the unemployment rate are lower. For example, if the people have the doctor degree,in the survey, they can get about 1551 dollars in the weekly earnings and the unemployment rate 2.5 % in 2011. On the other hand the one just less than high school diploma will get 451 dollars after a weekly hard-work and the unemployment rate is 14.1%. And in the picture we can get the average date that the weekly earnings is 797 dollar and the unemployment rate is 7.6%. So we can recognize the degree's significance.