Several elite U.S. colleges, including Harvard and Yale, have set family income thresholds below which students pay no tuition--- 45,000 dollars at Yale and 60,000 dollars at Harvard for students entering this fall.

包括哈佛和耶鲁在内的几所美国精英大学都设定了家庭收入门槛，低于这个门槛的学生无需支付学费——今年秋季入学的学生在耶鲁为 45,000 美元，在哈佛为 60,000 美元。