This reflects the importance of the general contractor. Generally, subcontractors will do things that damage the general contractor for their own interests. Sometimes we can only rely on the terms of the contract. As soon as the school network establishes training, it will sprint to score points, break the cocoon into a butterfly and quickly clear customs. Excellence is not just the accuracy of the question, but our passing rate is always beyond our ability. There are the most authoritative teachers in the circle, the most scientific scheduling, the most perfect service, the best courseware, the most accurate question and answer, and the school network (famous teachers such as Mei Shiqiang, Long, Hou and so on).