这块殖民地的第一船商业出口货物，是1799年运往孟加拉的一船50吨煤炭。

The colony's first commercial export cargo was a shipment of 50 tonnes of coal to Bengal in 1799.

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实际上，从十八世纪开始，殖民地商业活动的诸多方面都受到限制。

Indeed, from the beginning of the eighteenth century, most spheres of colonial commercial activity were regulated.

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商业主义既帮助又伤害美洲殖民地。

Mercantilism both helped and hurt the American colonists.

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