Nowadays, more and more students are complaining about the heavy burden of study they are faced with. They find their schoolbags are getting heavier and heavier and the hours they spend on their homework are becoming longer and longer.
现在，越来越多的学生在抱怨他们沉重的学习负担，他们发现自己的书包越来越沉，他们花在学习上的时间也越来越多。
