So far we have used the termsnguage and human language without referring to any specific language,such as English or Chinese.Students are sometimes puzzled by this general use of the term language;it would seem that this use is rarely found outside of linguistics.related courses. Foreign language cou.rses,after all,deal with specific languages such as French or Russian.Further,specific human languages appear on the sur. face to be so ditierent from each other that it is often di伍cult to under. stand how linguists can speak of language as though it were a single thing.
Although it is obvious that specific languages difier from each other on the surface,if we look closer we find that human languages are surpris. ingly similar.For instance。a11 known languages are at a similar level of complexity and detail——there is no such thing as a primitive human lan. guage.All languages provide a means for asking questions,making requests,making assertions,and so on.And there is nothing that can be expressed in one language that cannot be expressed in any other.Obvi. ously,one language may have terms not found in another language,but it is always possible to invent new terms to express what we mean:any. thlng we can imagine or think,we can express in any human language.
Turning to more abstract properties,even the formal structures of language are similar:a11 languages have sentences made up of smaller phrasal units,these units in turn being made up of words,which are them. selves made up of sequences of sounds.All of these features of human language are so obvious to us that we may fail to see how surprising it is that languages share them.When linguists use the term language,or nat. uraf human language,they are revealing their belief that at the abstract level,beneath the surface variation。languages are remarkably similar in form and function and conform to certain universal principles.
In relation to what we have just sai
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