Websites need to register passwords, and individuals use passwords to ensure security.

China's Ministry of Labor stipulates that the employer and the employee should conclude a labor contract, which will stipulate the employer's salary, treatment, working hours, probation period, travel expenses, resettlement expenses, etc., and report to the local labor administrative organ for the record. Some enterprises stipulate that candidates must go through business assessment and interview, be selected according to their needs, and be formally hired after a six-month probation period.