《徐霞客游记·游颜洞记》
从前惯例，按察使来游颜洞，架桥要花费将近百两银子，其它费用也要花费百两银子。
往例按君来游，架桥费且百金，他费亦百金。
In the past, when the inspector came to visit Yandong, it cost nearly 100 taels of silver to build a bridge, and another 100 taels of silver for other expenses.