In the studies of arbitrariness and non-arbitrariness of the linguistic sign,two major problems remain to be clarified :(1) What does it mean by arbitrariness and non-arbitrariness in linguistics?

• 在语言符号任意性和非任意性的研究中,存在着两个需要商榷的问题:(1)语言的任意性和非任意性到底指什么;