1.As a matter of fact,the purpose of our studying in college is to serve society with what we learn.The majoys we choose should depend on the needs of society.
2.On the contrary,if our majors can not meet the demands of society,they would be useless,and the college education would be just a waste of time and money.
3.Actually,many graduates make great controbution to society,taking advantage of what they learn in school,which promotes the development of society.