Introduce your two hobbies, and talk about how to use your hobbies to help others and the significance of doing so.

With the development of society, more and more people realize the importance of interest to students. I am an interesting boy, and I am also interested in many things. Here are some information about myself.

On the one hand, I like playing the piano. On the other hand, I think the piano can change everyone's mind because it is so beautiful. It's also important. Maybe it is useful for a student to study hard. As time goes on, the world will become better and better, and interests will become more and more useful. This is a good way to improve our lives. As we all know, bit by bit, a person can go far. (meaning)

You'd better do something useful With the help of others, we will get better and better.