Always be on guard, outsmart your enemies and the environment around you. There is no room for error.,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.,Then, if Lao Liao chooses to wait for the next train at his current location, it means everything is normal and there hasn't been any urgent notification from superiors, so things remain as usual.。