例225　Our knowledge of social systems, while it is in many ways extremely inaccurate, is not likely to be overturned by new discoveries that have altered the process of producing what people are urgently demanding.

【结构分析】这句话的主干是Our knowledge of social systems is not likely to be overturned by new discoveries，其中主语和动词中间加入插入语while it is in many ways extremely inaccurate，句子的宾语是new discoveries后面加上定语从句that have altered the process of producing...，定语从句里面套有宾语从句what people are urgently demanding。

【亮点回放】此句话的亮点在于插入语的恰当使用，而且是个很好的被动语态，而且里面有定语从句加上宾语从句。

【核心词汇】

our knowledge of　我们对……的了解

extremely inaccurate　极度不准确

overturn　推翻

new discoveries　新的发明

alter　改变

the process of producing　生产过程

【参考译文】我们的社会体系虽然很多方面是极度错误的，但是我们这种社会体系的认识不能这些新技术推翻，这些新技术改变人们所急需产品的生产过程。