按照现代经济地理学观点 ,凡是作为人流与物流聚合新港口的崛起 ,其总是有与之相适应的地理、经济、交通等条件 ,或称有着其他港口没有或少有的特殊优势。合浦作为中国汉代“海上丝绸之路”(下称“丝路”)始发港也不例外。《汉书·地理志》两次谈到汉代“丝路”航船启程 :“自 According to the view of modern economic geography, all new ports of commerce, as the aggregation of people and logistics, always have the conditions of geography, economy and traffic suitable for them, or have the special advantage of no or little in other ports. Hepu as China Han Dynasty “Maritime Silk Road” (hereinafter referred to as “Silk Road”) is no exception. “Han Geography” twice talked about the Han Dynasty “Silk Road” ship departure: "since