絶无仅有

Explanation: Extremely rare. Su Song, "written on the emperor": "turn over a generous, good advice, the Yao, Shun and Yu, soup of the force and to exercise, since the Qin and Han and only the no." Qingping Buqing "outside Mei Xia Shen debris anecdotes Jun money shop ":" that the three-month review, the first grant of editing, post-election Shu Chang, unique in the case of Scholastic thought. "Mu" river of loving attention to spray the walls of _set_s of people ... ... ":" China and unpopular Western-style 'nickname''nickname,' but not a similar call is unique. "