Of course, given the multitude of existing taxes, fees, and subsidies on energy products in various countries, the goal of aligning the effective cost of carbon with its most economically efficient level would take time to achieve. But introducing a modest, flexible carbon tax in major economies would be an important first step.
当然，考虑到不同国家现有能源生产税收、费用和补贴的多样性，将碳的实际成本与最划算效率水平相协调需要一定时间才能实现。但在主要经济体实施温和、灵活的碳税将是重要的第一步。