The protocol does not specify how much money nations should pay to limitgas emissions.
《京都议定书》没有明确规定各国应花费多少钱来减少气体的排放量。
2
The limit for carbon monoxide is 4.5 per cent of the exhaust gas.
尾气中一氧化碳的排放量限制在4.5% 以下。
《柯林斯英汉双解大词典》
3
Sooner than most people think, countries that refuse to limit their greenhouse gas emissions will face sanctions, probably in the form of taxes on their exports.