The project is on such a gigantic scale that the cost is hard to calculate.
工程浩大, 所费不赀。
Their cost has risen more than that of other power plants; their scale, complexity and scarcity make it hard to economise.
核电站成本的涨幅比其他发电厂更多;它们的规模,复杂性,和稀有性使得节约成本难上加难。
Because the problem is not yet reflected in national statistics, its scale is hard to judge.
因为在国家统计数字中还没有反映出问题,很难判断受灾的程度。
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