Abstract: the trains on the Shanghai Metro Line 8, a man spitting in the compartment, was a woman accused, the man was accused of not the also feel satisfied, unexpectedly burst from the foul language, curse, excitedly said: "your mind bad bitch roll" foul language, arrogant, other passengers have look not to the past, to denounce the man, the man with an old man pushing and ultimately subway a strong male approached taught the boy. Shanghai Metro 8...