Colonist stems from the need of its commerce dilate, announce here to be free port at the beginning, build stage by stage compare all ready haven city for infrastructure of a form a complete set.

• 殖民者出于其贸易扩张的需要，一开始就把这里公布为自由港，并逐步建成为一个配套基础设施比较齐全的港口城市。