It would be costly for the state, however.
但是这对国家来说是代价高昂的。
They would be costly and the net benefits might well be negative.
他们会耗费成本，带来的净收益也可能是负面的。
Because its electricity would be costly, commercial success is far from assured.
该计划所生产的电力相当昂贵，因此未来是否能商业营运仍有问题。
Because its electricity would be costly, commercial success is far from assured.
该计划所生产的电力相当昂贵，因此未来是否能商业营运仍有问题。
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