Ben shu zhu yao nei rong you:gong gong guan xi he gong gong guan xi xue, Gong gong guan xi de yuan yuan, Xing qi yu fa zhan, She hui guan xi he gong gong guan xi, Gong gong guan xi de zhi neng he zuo yong, Gong gong guan xi de lei xing deng.