China is now experiencing the largest mass migration of people, an estimated 230 million (2010), from the countryside to cities in history. They’ve brought economy boom to cities and life improvement to their own families. However, this migration leaves land in the countryside uncultivated and children of migrant workers poorly educated. How do you think can the migration in China have a balanced development？ Write your article in about 140 words in an appropriate style on the answer sheet.