To find out that so much of Chinese history has been influenced by people from the margins is one insight gained from this process, as is the remarkable impact of literary and scientific culture from the earliest periods onwards
这个句子的主干是To find out that so much of Chinese history has been influenced by people from the margins is one insight gained from this process。 这个句子的主语是不定式短语to find out that so much of Chinese history has been influenced by people from the margins;主语里面又含有一个由that引导的宾语从句。 谓语是is 表语是one insight gained form this process。