Didi has been engaged in an all-out war against Uber in China. The Chinese company has long claimed the upper hand, as it was operating well before Uber got into China.
请问句中的 as 是什么意思?它引导的是什么从句?
《高考英语备考1号·速效编》
《高考英语备考1号·写作编》
《高中英语晨读晚记》
《高中英语错题笔记》
《零起点考大学英语》