答案:In university campus, it is not uncommon for students to skip classes. There are often students who skip classes because of discomfort or other personal reasons, and some students are absent for no reason. However, due to their unwillingness, there are two main reasons for college students to skip classes.First, students have more freedom in the University, which depends more on whether a student has a sense of class, Therefore, students who lack self-discipline begin to skip classes for the second time. Some teachers' classes can't attract students' interest. Therefore, some students prefer to skip classes to learn what they are interested in for whatever reason.Truancy does bring negative effects to students' learning. Therefore, it is necessary to take some effective measures to reduce this phenomenon. On the one hand, schools and teachers should let students recognize it On the other hand, teachers should take some effective measures to reduce this phenomenon.