《汉书·传·严朱吾丘主父徐严终王》
在这个时候，逸游之乐禁止，奇丽的绩赠杜绝，演唱郑、卫民歌的伶人减少了。
当此之时，逸游之乐绝，奇丽之赂塞，郑、卫之倡微矣。
At this time, the pleasure of wandering was forbidden, the extravagance of silk and satin was stopped, and the number of singers singing the folk songs of Zheng and Wei was reduced.