2012年12月英語四級作文材料來源于美國勞工部網(wǎng)站的一份統(tǒng)計表，本次作文材料截取了其中一部分?jǐn)?shù)據(jù)，并對時間做了修改，以下為材料原型，供大家參考。

Education pays...

Education pays in higher earnings and lower unemployment rates

Note: Data are for persons age 25 and over. Earnings are for full-time wage and salary workers.

Source: Bureau of Labor Statistics, Current Population Survey.