translation.en: What they basically show us, the average of all macroeconomic models, is that Kyoto, if everyone agreed, would cost about 150 billion dollars a year.
translation.zh: 这些专家告诉我们，根据所有宏观经济模型平均计算， 如果各国都执行京都协议，每年要花费大概一千五百亿美元。