《宋史·列传·卷四十二》
如果用浮桥牵引，军队联络而前进，我军渡到一半，敌人乘势掩击，不知有什么谋略可以抗击抵御？
若浮囊挽梗，联络而进，我师半渡，贼乘势掩击，未知何谋可以捍御？
If a pontoon bridge is used to tow the troops forward, our army will cross halfway through, and the enemy will take advantage of the opportunity to cover and attack. I don't know what strategy can be used to resist and resist?