每日干货丨考研英语长难句47

2.句子主干为what motivated him was his zeal for “fundamental fairness”，其中what引导主语从句作句子的主语，we were to understand是插入语，破折号后面protecting the taxpayer … their benefits为三个并列的动名词短语作同位语，进一步解释说明“fundamental fairness”的具体内容；同位语中包含一个that引导的宾语从句，做ensuring的宾语，从句中claimant意为“申请人”。