Resume lock means that each company actually has many departments and many positions are recruited by the school. The positions in many departments may be the same position. If the school enrollment can be sent to different departments, then there will be internal competition for candidates at the same time. For the company, this will lead to resource competition between departments (computer deadlock case).
Outsourcing refers to the dynamic allocation of functions and services of enterprises themselves and other enterprises, and the use of external resources to serve the internal production and operation of enterprises. Outsourcing is a strategic management mode, which refers to entrusting non-core business to an external third party specializing in operations.