Carrot recruitment, what does "ping pong" recruitment mean?

Civil service positions are a carrot and a pitfall. It is generally understood that the pitfall is whether the job seeker is suitable for the job requirements. The so-called "carrot recruitment" is a metaphor used by netizens for "tailor-made" recruitment of cadres. The protagonists are mostly young cadre candidates and parents of powerful officials.

Table tennis recruitment is to find students or coaches.