The University of Chicago, located in the south of Chicago City, was famous for its "Chicago School" at the beginning of the last century, not to mention 91 Nobel laureates. When I saw its sociology department, I felt a little different, because communication is closely related to it. Rockefeller donated money to build the University in 1898. There is Rockefeller Cathedral. In short, the campus is all kinds of classical and profound. But I dare not walk through the 41st block right next to it, which is a black neighborhood in front of me. This is also a problem facing the United States itself.