1, a chef is a person who takes cooking as his profession and cooking dishes as his main job. The profession of chef appeared very early, and there were full-time chefs in slave society. With the continuous improvement of social material civilization, the chef profession is also developing, and the team of full-time chefs is expanding. According to relevant statistics, at the beginning of the 20th century, the number of chefs in the world has grown to tens of millions. China is known as the culinary kingdom of the world, and the strength and quantity of chefs are second to none. 2. Psychological counselors refer to professionals who use psychology and related knowledge, follow psychological principles, and help clients to alleviate their psychological problems through psychological counseling techniques and methods. 3. Beauty is to change the original bad behavior and disease (appearance) into a civilized, high-quality and acceptable appearance through activities and processes, or to say that it is a product and method to achieve this goal. 4. Auto repair Auto repair is to find out the cause of the failure through technical means, and take certain measures to eliminate the failure, so as to restore it to a certain performance and safety standard. Automobile maintenance includes automobile overhaul and automobile minor repair. Automobile overhaul refers to the restorative repair to restore the intact technical condition of the automobile and completely (or nearly completely) restore its service life by repairing or replacing any parts (including basic parts) of the automobile. 5.IT Internet technology refers to an information technology developed and established on the basis of computer technology. Internet technology connects different devices through the wide area network of computer network, which speeds up the transmission of information and broadens the access channels of information, promotes the development of various software applications and changes people's life and learning methods. The universal application of Internet technology is a sign of entering the information society.