“一 A不 A”句式为口语句式 ,用法独特。格式中数词只限于“一”,A只限于个体量词。两 A同形。前项“一”与 A 结合为数量词 ,属常规用法。但其独特之处在于 :后项的“不”直接用在量词前用以否定量词 ,这也是否定副词“不”一种绝无仅有的用法。因为按语法规定 ,否定副词“不 “A not A” sentence for the spoken sentence, unique usage. Numerals in the format are limited to “one,” and A is limited to individual quantifiers. Two A isomorphic. The preceding item “a” combined with A as a quantifier, is a common usage. However, its uniqueness lies in the fact that the “no” of the latter term is used directly before the quantifier to negate the quantifier, which is also a unique use of the negative adverb “不”. Because according to grammar rules, negative adverbs "no