研究句子语义的中心问题之一,是判断句子的语义正常与否,并建立一套生成语义正确的句子的操作程序.以此为目的,我们来比较下面几组句子. One of the central issues in the study of sentence semantics is to determine whether the semantics of a sentence are normal or not and to establish a set of procedural procedures for generating semantically correct sentences for which purpose we will compare the following sets of sentences.