arbitrary sign

基本解释

Their relationship is necessary but, as we'll see in a minute, arbitrary, and each sign is like that.
這種關系十分必要，但是它又有任意性。
Since Saussure(1916)put forward language sign's arbitrary principle, some linguists both at home and abroad raised their different views successively.
自從索緒爾（ 1916）提出語言符號任意性原則以來，國內外一些語言學家先後提出了不同的看法。
I analyse some conclusions of spectrum arbitrary and give two sign patterns. then I prove two classes sign pattern matrix that are spectrally arbitrary using Nilpotent-Jacobi method.
分析了譜任意的相關結論竝給出了兩類符號模式，然後運用冪零雅可比方法証明了兩類符號模式矩陣的譜任意性。

Their relationship is necessary but, as we'll see in a minute, arbitrary, and each sign is like that.
這種關系十分必要，但是它又有任意性。
耶魯公開課 - 文學理論導論課程節選
So that what's new in Saussure's thinking about the relationship between signified and signifier is that the sign tied up in this relationship is both arbitrary and differential.
這就是索緒爾所貢獻的了,能指和所指的關系,也就是符號的組成方式,是任意的，有差別的。
耶魯公開課 - 文學理論導論課程節選