高学历意味着高收入，这已经不再是秘密。据人口普查局近期出台的一项报告表明，大学毕业生的年收入约为51000美元，高中毕业生年薪约为28000美元，高中肄业者一年则只赚 19000美元。不过七年前，即新千年开始时，收人差距开始缩小，大学毕业生当时收入为高中毕

It’s no secret that higher learning means higher earning. According to a recent report released by census bureau, college graduates earn roughly $51,000 a year, high school graduates are able to make around $ 28,000 a year, and high school dropouts, just $19,000 a year. But the earnings gap is narrowed, just slightly from 7 years earlier, as the new millennium began. College graduates were able to take in just about double what high school graduates earn, now it slip to just a bit below double.