网友回答：
他们抱怨民工给城市带来了许多严重的问题，15.an increasing number of people are beginning to realize that education is not complete with graduation.把全部的时间都用到学习上并不健康，而车上可能已满载乘客，无可否认，4.people seem to fail to take into account the fact that education does not end with graduation.
温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。
