必备词汇：motivate刺激;zeal热情，热心;fundamental基本的，根本的;ensure保证，确保;deserving值得的，应得的;claimant原告，索赔人

主句：What motivated him was his zeal for “fundamental fairness”

主语从句：What motivated him

插入语：we were to understand，翻译时提前

同位语：protecting the taxpayer, controlling spending and ensuring that only the most deserving claimants received their benefits，and并列的三个v-ing分词短语

宾语从句：that only the most deserving claimants received their benefits

翻译：就我们所了解，激励他的是他对于基本公平的热情——保护纳税人，控制支出，确保只有最值得的索赔人才能够收到他们的救济金。