求翻译：公平原则也是建立环境税的首要原则，各国环境税大多以纠正市场失效、保护环境、实现可持续发展为政策目标。是什么意思？

The principle of fairness is to establish the first principle of environmental tax, most of the national environmental tax to correct market failures and protect the environment and achieve sustainable development as a policy objective.

It is also fair principles establish an environmental tax of the primary principles, the environmental taxes are mostly to correct market failures, the protection of the environment and achieve sustainable development objectives.

The fair principle also is establishes the environment tax the most important principle, the various countries' environment tax mostly take corrects the market to expire, the protection environment, realizes the sustainable development as the policy goal.

Equity is also the establishment of environmental tax, first and foremost, most national environmental taxes to correct market failures, to protect the environment and achieve sustainable development as a policy objective.

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