It depends. If only VIP is included and other databases are not included, such as HowNet and Wanfang, it depends on the company's requirements. For example, the company requires that it must be included in HowNet, so it won't work. For example, if you need one of the three databases, that's fine. Generally speaking, only the period of VIP network inclusion is not very formal. You can go to Tao Tao Paper Network to read related articles, which contain some introductions.