Explanation: Waterside balcony of the first by moonlight. Metaphor can get priority for some benefit or convenience of the status or relationship. Source: Song Yu Wen Bao "Alarm recorded" Fanwenzhenggong town Qiantang, Bing Guan Jie is recommended, independent inspection Su-lin not see the catalog is offering a poem 'proximity and easier, Xiang Yang Yi Spring flowers. '"