雅思基礎閱讀難句解析-平行結構

　　14.We have tried to isolate some of the key factors that govern service quality, and offer examples of organizations that manage service well and of some that manage it poorly.

　　結構：本句有4個謂語動詞：have/govern/manage/manage。其中主句的謂語動詞為have，不定式to后面并列兩個動詞isolate和offer。兩個of并列作為examples的后置定語。of some指代的是of some organizations。

　　本句可以拆分為：1) We have tried to isolate some of the key factors , and offer examples of organizations and of some.2) Factors govern service quality.3) Organizations manage service well.4) Organizations manage it poorly.

　　翻譯：我們力圖挑選出一些控制服務質量的關鍵因素，并且提供一些例子來說明某些機構把服務管理得很好，而有些卻很差。