Nearly 5 million undergraduate students in the U.S. are parents. Their path is not easy. _______________________________ . In fact, a little more than only half of student-parents in the U.S. will finish their degrees within 6 years. _______________________________。课业已经很重了，这些学生还要负担高额的抚养费用，承受来自一份甚至多份工作的压力。事实上，他们之中仅有一半人能够在6年之内完成学业。
