Useful. It is very useful for adults to attend language training classes. Participating in speech training classes can cultivate self-confidence, improve logical thinking ability and enhance communication ability. After speech training, you can master speech skills, better express your thoughts and opinions, and be more confident and successful in work, life and social occasions; At the same time, it can also improve logical thinking ability and make thinking more clear and rigorous. In addition, it can also enhance communication skills and better communicate with people.