According to the "principles-and-parameters" theory, "principles" refer to highly abstract properties of grammar which are applied to language in general and which generate phrases and at the same time restrain the power of Move a, while "parameters" allow general principles to operate in certain restricted ways, according to which particular grammars of natural languages vary.
1、正確正確
根據原則及參數理論，普遍語法由一組綜合性條件或原則構成，這組原則指的是語法高度抽象的屬性，這一屬性被應用于一般語言中，它生成詞組，同時限制移動α規則的應用范圍，阻止其在某些情況下的應用。普遍語法還包括一組參數，這些參數可以保證基本原則在某些情況下的操作，自然語言的個別語法據此而變化。
