The word "teacher" has two meanings, which refers to both a social role and the undertaker of this role. Teachers in a broad sense refer to those who impart knowledge and experience, while teachers in a narrow sense refer to those who have received special education and training and are engaged in education and teaching in education (schools). Professionals engaged in education and teaching. Undertaking the mission of teaching and educating people, cultivating builders and successors of socialist cause and improving national quality —— From the Teacher Law of People's Republic of China (PRC).
Generally speaking, it is an electronic product. For example, computers, mobile phones, projectors, printers, and all computer peripherals are called IT products. IT industry refers to the industry that manages these products, including network and software, and is called IT industry. In short, it covers a wide range of contents.
Flight attendants generally refer to female staff engaged in passenger service on civil airliners. They are generally 20-50 years old and their height is 1.63- 1.75 meters. They are dignified and beautiful, and have the professionalism of flight attendants. The main responsibilities are to ensure the safety and comfort of passengers on civil aviation aircraft (for example, to provide passengers with meals such as plane meals), to guide passengers to use on-board safety equipment, and to organize passengers to escape from the aircraft in case of emergency. Aircraft cabin service is an important part of civil aviation transportation service, which directly reflects the service quality of airlines.