Worth it. Worry-Free Examination Network is a professional examination and training portal in China, which provides examination information and authoritative information of qualification examination, English examination, academic examination, computer examination, financial examination, medical construction and other training courses. In the traffic ranking survey of Nielsen website, it ranks in the top five of comprehensive education category, 20 10, and iResearch China education website ranks in the top three. After opening vip, you can open more resources and watch videos to explain, which is very worth opening.