Chen Qiti pulled up his pants and walked out of the public toilet in Menku Hutong, a satisfied smile on his face. He drew a circle in the air.,Allow parents to retire early, with children taking over their positions.,"By the late 1990s, there was a third population boom, and universities then expanded their enrollment... It's still simpler in later generations, with live streaming, food delivery, and ride-hailing apps all coming at once."。