情态意义是长期以来逻辑学、哲学、特别是语言学一直在探讨的问题之一。
Modality has been one of the most pervasive and persistent problems in logic, philosophy and particularly in linguistics.
情态概念源于亚里士多德时期，是许多逻辑学家，哲学家，语言学家长期一直感兴趣的研究问题之一。
The notion of modality derives from Aristotle. It has been a continuous study which interested many logicians, philosophers and linguists.
一直以来情态是哲学家，逻辑学家和语言学家研究的热门话题，尤其是语言学家对情态做了较为深入全面的研究，取得了丰硕的成果；
Modality has been a heated topic of philosophers, logicians andlinguists for a very long time and modal verbs are deeply studied by thelinguists with magnificent findings.
一直以来情态是哲学家，逻辑学家和语言学家研究的热门话题，尤其是语言学家对情态做了较为深入全面的研究，取得了丰硕的成果；
Modality has been a heated topic of philosophers, logicians andlinguists for a very long time and modal verbs are deeply studied by thelinguists with magnificent findings.
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