后海先河

Explanation: Language of the "Book of Learning": "Three Kings Festival Chuan also, are first of its kind and then the sea." Analogy to work after the end of this first. 　　Source: A phrase from the "Book of Learning" Three Kings Festival Chuan also, are first of its kind and then the sea. " 　　Examples: And almost getting big tooth, smelled the benefit increase, is short and art ~, for the mountain covered basketful, and Ping-candle light, Sang Yu effect, have been too late. ★ Gu Qing, "and Miss beam Pavilion Sapporo"