一标记性是语言的重要属性之一,优选论便是利用语言标记性这一重要属性来建构语言学理论模式。本书作者Paul de Lacy在其博士论文(2002)中对语言的标记性属性进行过深入探讨,本书是其博士论文研究的延伸。作者在书中系统提出了新的“标记性”理论。该理论的核心主张是:“标记性 A marker is one of the important attributes of language. The theory of preference is to use the important attribute of linguistic marker to construct the theoretical model of linguistics. The book’s author, Paul de Lacy, explores the tag’s attributes of language in his doctoral dissertation (2002), an extension of his doctoral thesis. The author systematically put forward a new “mark” theory in the book. The core idea of ​​this theory is: "Marking