When Cheng Qianfan took the tram at that time, Lao Liao pretended to get on the tram. The two would have contact at this moment, secretly and quickly completing the transmission of information or items.,The trains were crowded, with many passengers waiting. It was generally difficult for the elderly and weak to get on board.,Li Hao shook his head slightly towards Cheng Qianfan, indicating that no one was following them.。