本文运用可及性理论解释汉语中的三组待嵌固定格式:“有A有B”、“又A又B”、“不A不B”中待嵌成分A、B排序的排序规则:信息一致原则、重要性原则、显著性原则、熟悉度原则、从好原则、韵律协调原则等。 This paper uses the accessibility theory to explain the three groups of embedded fixed formats in Chinese: “A has B ”, “A and B ”, “A does not B ” to be embedded in components A, B Ranking collation: the principle of information consistency, importance principle, saliency principle, familiarity principle, good principle, prosody coordination principle.