Cheng Qianfan took off his patrol officer uniform and began to change.,If Lao Liao acted impatiently and chose to walk away instead of waiting for the tram, it meant that something urgent had happened and the two people needed to find a chance to meet immediately.,Li Hao is a ticket seller on Line 2 of the subway. He wears a yellow plaid uniform and has a white cloth bag slung across his shoulder to hold the fare money.。