参考答案：

To my point of view, team spirit is a kind of thinking manners. Thousands of years ago，people lived together to get enough living resources. With time passing by, we have computers, internet and many other types of modern equipment. It seems that we could live and work alone most of the time. Do we still need team spirit Absolutely, yes!
  Owning to the sharp development of modern society, even the most intelligent brain can only be the expert in one or several fields. No one is omniscient and omnipotent. We need others to stand at back. Only when we combine with each other, just like the diamond, we can shine all-around.
  As a student who majored in Economy, I have a lot of paper work to fulfill. My study and internship experience tell me the importance of team work and train me a good team player. I enjoy working with different kinds of people. I can learn a lot from others and know more about myself.