It also encourages graduates to choose lower-paying careers, which reduces the financial return to education still further.
它还鼓励毕业生选择薪资较低的职业，这进一步降低了教育的经济回报。
2
But that difference could narrow as more qualified candidates take lower-paying positions in a tight job market.
但由于就业环境不好，越来越多的优秀求职者走上收入更低的岗位，这个差距也有可能缩小。
3
Most recently, in 2007, when his department was eliminated, he turned down a couple of promotions to take a lower-paying staff job in his employer's corporate university.