《史记·八书·平准书》
那时候，汉朝正在打通西南夷的道路，动用数万人，从千里之外肩扛担挑运送粮食，大约每十余钟运到的只有一石，将钱币散于邛、僰地区以招徕那里的人民。
当是时，汉通西南夷道，作者数万人，千里负担馈粮，率十余钟致一石，散币于邛僰以集之。
At that time, the Han Dynasty was clearing the paths to the southwestern barbarians, employing tens of thousands of people to carry and transport grain from thousands of li away, of approximately ten Zhong to be transported only one shi arrived; money was distributed in the Qiang and Bo regions to recruit people there.