《战国策·秦四·或为六国说秦王》
赵人乘势占领枝桑，燕人则出兵攻占了格道，隔绝齐国平际之途。
赵人闻之至枝桑，燕人闻之至之格道。格道不通，平际绝。
The state of Zhao seized the opportunity to occupy Zhisang, while the state of Yan dispatched troops to occupy the Gedo, cutting off the way from the state of Qi to Pingji.