What does it mean to recruit some staff in Shenyang Metro?

Recruit temporary employees. When the subway station is short of staff, it will publish a job advertisement, which means to recruit temporary staff to relieve the pressure on the subway station. Subway station is a place where railway trains stop in urban rail transit system, which is used to carry goods or let passengers ride. At present, the subway station does not refer to the station built underground, but refers to the station set along the subway system, which can be built underground, above ground or overhead.