春秋时,郑国有个牛贩子弦高赶着一群牛到洛阳去做生意。走到半路上,弦高获悉了秦国已经发兵准备偷袭郑国的消息,不禁大吃一惊。他连夜叫人赶快回去报告,同时想方设法拯救郑国。秦军行动诡秘,悄悄地朝滑国进军,眼看快要到郑国边境了。秦军大 Spring and Autumn Period, Zheng cattle cattle have a string to catch a group of cattle to Luoyang to do business. Walked half way, the string was informed that Qin has sent troops preparing to attack the news of Zheng, can not help but be surprised. He told people to go back to report quickly, while trying every means to save Zheng. Qin operations secretive, quietly toward the country into the military, seeing the impending border to the Zheng. Qin big