（新概念4）请详细分析一下 ,下面这句话There is no social problem tha

（新概念4）请详细分析一下 ,下面这句话There is no social problem tha

There is no social problem【that】 it is more incumbent upon us to understand than this of the role of custom. 这里是that引导的定语从句,social problem 是先行词.that定语从句中,it是形式主语,真主语是 不定式短语to understand than this of the role of custom. 整个句子中的结构搭配是：no more than this 指代前面的problems.句子意思是：没有任何一个社会问题比得上风俗的作用问题更要求我们必须理解它 Since he loved his fans in life, it is incumbent upon us to treat them with the same reverence and respect after his death.因为他生前热爱他的歌迷,在他死后,我们会义不容辞的,用同样的敬畏和尊重对待他们.

我好好复习下