变革不常 (變革不常) biàngé bù cháng

biàngé bù cháng phrase changed often
Domain: Literary Chinese 文言文 , Subdomain: , Concept:
Notes: Collocation: from 宋史·卷一百八十一 “History of Song”, volume 181 (Amies 2021 tr.; see also tr. in Chien 2004, p. 94)