Certainly, any national energy policy that's built on cap and trade or a carbon tax or any other mechanism for fighting global climate change is now dead.
A carbon tax or cap and trade system will take years to design, negotiate and implement, it adds.
碳税或总量控制和排放权交易制度的设计、谈判和实施工作要耗费数年时间，报告补充说。
3
Customs duties have fallen as trade barriers have been reduced. A tax on financial transactions would be hostage to the next recession or banking crisis.