A brigade with three regiments of real strength within a month killed nearly 5,000 enemies, with 600 to 700 casualties. Such an exchange ratio could be said to be terrifying. But according to Xue Jianqiang, such losses are too heavy! He said: "The Jiaodong Military Region regained Zhaoyuan and wiped out a brigade of the Japanese army, with only 200 casualties..." ,But experience doesn't always work...