The cost in terms of human life was high.
付出了很大的生命代价。
And again, we must think of the cost.
再说，我们必须考虑成本。
Just out of interest, how much did it cost?
我只是好奇问问，这个花了你多少钱？
How much will it cost, more or less?
这个大概得花多少钱？
The total cost to you is 3 000.
你总共要支付3000英镑。