《汉书·纪·武帝纪》
而废半两钱的禁期一年有余，偏远地区百姓却仍不明告示之意。
废期有月，而山泽之民未谕。
However, more than a year had passed since the ban on half-tael coins was lifted, yet the people in remote areas still did not understand the meaning of the announcement.