 to start with a travel recommendation app. Wang Changxin graduated from Nanjing Aerospace University's Computer Science Institute. During the summer vacation, he and his friends developed this app together. Now, the program that symbolizes the beginning of his software development is still lying on his phone's desktop, witnessing his growth. In fact, the biggest thing is the interest. When I finish it, I feel that it makes me feel happy. So I think I might be suitable to do this kind of work in software development.