biking is far more eco-friendly than driving their cars

问题描述:

biking is far more eco-friendly than driving their cars
far more 是个什么用法
than 在句子做的是介词还是连词

far more在这里作副词,修饰形容词eco-friendly“环保的、对环境有益的”than在这做介词.than有介词和连词两种用法,区别是连词:conj.比(用于形容词、副词的比较级之后);除…外(用于other等之后);与其…(用于 ...谢谢啊!