at all costs (或 at any cost)不惜任何代价；
at cost按成本；以成本价；
cost someone dear (或 dearly)使遭受严重损失；使受严惩；
to someones cost付出代价；吃苦头
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。
How much does it cost to become a member?
要成为会员得花多少钱？
