How to deal with the behavior of college students wearing slippers when they enter the library
In front of the library, put a sign prohibiting slippers in a conspicuous place, which is similar to a sign prohibiting smoking. If you meet someone who wears slippers, just show him the sign that no slippers are allowed, and you don't need to talk. It will be much better after a long time. It's called behavior guidance ... let's see if it works. ...