Part I concludes, based on an analysis of the functions and principles of tax law on environment, with a theoreticalaccount of the benefits of and the necessity for the law.
并通过对环境税法的作用、原则的分析，从理论上阐述了实施环境税法的优点及其必要性。
2
On the relevance-theoreticalaccount, the choices and understanding of lexis are based on context, and the hearers make cognitive efforts by constructing the optimal relevance in pragmatic inference.