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。
Just the research to determine feasibility would be extremely costly.
即使只是其可行性研究都会花费不菲。
Many hospitals are already overcrowded. And treatment at home would be less costly.
很多医院都已人满为患，并且家庭治疗花费更少。
Manufacturing such chips would also be less complicated and therefore less costly.
生产这样的芯片会相对简单，从而成本更低。
And treatment at home would be less costly.
而且在家里治疗的费用会少得多。
It would be too costly to repair the car.
这辆汽车修理起来费用太高了。
It would be too costly to repair the car.
修理这辆汽车要花很多钱。
An invasion on either side would be very costly though, I think.
不过，我认为入侵会给双方带来重大损失。
An invasion on either side would be very costly though, I think.
不过，我认为入侵会给双方带来重大损失。
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