dueto的用法

按照传统语法due to主要引导表语，一般不引导状语。如：

His absence was due to the storm.他因暴风雨而缺席。

但是在现代英语中，due to也可用来引导状语。如：

He was late due to the very heavy traffic.由于交通拥挤他迟到了。