Some believe that students prefer to learn other fields next to the main course, while others claim that it is a paramount factor to focus on the main major. In this essay, I will examine both perspectives and present my view. On the one hand, some people justifiably argue that if people want to learn one field as a main major perhaps, they will face some problems in the future., indeed, knowing about one knowledge is not enough so they should know about others fields namely, computer skills, learning another new language even though analyze data. Consequently, it led to drawing to the market as soon as they graduated. A further reason is that there are many people who are not interested in their main major so they do not have any good performance in their jobs. Had they known another field in addition to their main subjects, they would have had another alternative for changing their careers. In addition, it is not necessary to find new majors in the middle-age. On the other hand, a...