但自此光建造费用就已是预期的三倍。
Since then construction costs alone have tripled.
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建筑成本降低，节省建造费用。
It lowers down the construction cost and saves the building cost.
只有几个国家拥有航空母舰，其建造和维护费用极为昂贵。
Only a handful of nations operate carriers, which are costly to build and maintain.
建造商计算建一新车库的费用。
The builder computed the cost of a new garage.
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