subject to cost的意思|示意

Mr. Obama's plan to curb carbon dioxide emissions, though necessary, will be far from cost free, whatever his sunny speeches on the subject might suggest.

尽管奥巴马的二氧化碳减排计划是必要的，但无论他在这个问题上发表的充满希望的演讲可能会暗示什么，这远不是免费的。

A numerical result of an optimization design based on reliability and redundancy subject to cost in complex system is provided in the paper.

给出了一复杂系统在造价约束下的可靠度和冗余数的并发优化设计结果。

Mr. Obama's plan to curb carbon dioxide emissions, though necessary, will be far from cost-free, whatever his sunny speeches on the subject might suggest.

尽管奥巴马的二氧化碳减排计划是必要的，但这远不是免费的，无论他在这个问题上发表的充满希望的演讲可能会暗示什么。