市无二价

Explanation: No two trading price, the sale of justice, not deceiving. Described as a good social atmosphere. Also as "City fixed price." 　　Source: "Han Wang Mang passing on" Youzou price for the city goes, no prison officer of First Instance. " 　　Examples: Sub Xu Zhiguo five years, Sun and Moon Chong-Ming, ~, cat and mouse with the hole, wheat, rice on the minutes, not prison inmates. ★ "the Collection of Wu"