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这里是中国最早的海上丝绸之路的始发港;这里是双向沟通我国华南与西南的重要接合部;这里是西南地区最便捷的出海大通道,是中国走向东
Here is the earliest port of departure for China's maritime Silk Road; it is a two-way communication between China's south and southwest important junctions; here is the easiest sea access in the southwest, is China to the east