《资治通鉴·晋纪·晋纪八》
当时各州郡都没有到京城的使者，只有张轨独自派遣使者进贡，每年都不中断。
时州郡之使，莫有至者，轨独遣使贡献，岁时不绝。
At that time, there were no envoys from various states and counties to the capital, only Zhang Gui sent envoys to pay tribute separately, without interruption every year.