变古易常

Explanation: Change the legal system and customs. 　　Usage: Joint type; as predicate; means to change the original criteria 　　Source: Qin Han Fei, "Han Fei south": "I do not know the governed, will say: 'no change of ancient, often not easily'." 　　Examples: "Spring" of the law, on the ~, who should be the natural disaster, that fortunate country. ★ Han Dong, "Chun Qiu Fan Lu Yan and the will to know"