Such a charge, whether a tax or a system of tradablepermits to pollute, would change energy economics radically.
这笔费用,无论是税费还是一种可交易的污染许可系统,将会从根本上改变能源经济。
2
It involves placing a limit on the volume of emissions that can be produced around the country each year, and then auctioning tradablepermits to pollute.
这个策略设置了全国每年可排放污染气体的总量限额,然后以拍卖的方式出售排污许可。
3
In principle, emission taxes and tradable emission permits are equally effective at limiting pollution.