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退避三舍 Retreating about Thirty Miles as Condition For Peace During the Spring and Autumn Period (770-476 B.C.), Duke Xian of the State of Jin Killed the crown prince Sheng because he had h...
退避三舍 Retreating about Thirty Miles as Condition For Peace During the Spring and Autumn Period (770-476 B.C.), Duke Xian of the State of Jin Killed the crown prince Sheng because he had h...