communication!
Communication is very important for people and the society. When you go to work or play with some people then you have to communicate with them. Some people are very good at communicating with people, but some people are not. Language is very important for people to communicate to each other. If you know how to communicate with people then it is easier to make friends. When i was in NYC I have many friends, because lots of Chinese people there. So we can communicate with our own language. But it is hard for me to communicate with Americans. I think because I don't understand the American communication style or maybe I have to learn more English. I think communication is also the good way to improve you speech and your experience to communicate with people.