By the time you stepped through the door, the carriage was teeming with people, packed so tightly it felt like being in a sardine can.,Reasonableness is the first thing an underground worker should consider, as Comrade "Zhu Lin" instructed and Cheng Qianfan always kept in mind.,"Team leader, I'm going downstairs to buy some cigarettes," Ding Naifei said. He had several cigarette butts at his feet and was out of smokes; his nicotine cravings were kicking in.。