Ben shu gong 40 ke, Han gai le xi ban ya yu ji chu yu fa zhong suo you zhong yao de zhu ti. 40 ke de nei rong fen wei 10 ge dan yuan. Zhei xie dan yuan jiang he shi de yu fa zhu ti fang dao yi qi, Mei ge dan yuan you yi ge jian duan de dao yan yi ji fa du zhe de ji ji xing. Dao yan zhong lie chu le zhong yao de zhi shi dian bing jia yi jie shi shuo ming, You qi zhi chu le wai yu xue xi zhe ke neng yu dao de kun nan. Fu lu zhong hai fu you guan jian ci suo yin, Yu fa gai nian yi lan biao, Fa yin gui ze, Xi ban ya ji la mei di qu xi yu yi tong de shuo ming.