It is not just readers who are challenging the media elite.
挑戰(zhàn)媒體精英的不僅僅是讀者。
Once upon a time the physical book was a challenging thing.
從前，實體書是一件具有挑戰(zhàn)性的東西。
Killy began challenging the basic theories of racing technique.
基利開始挑戰(zhàn)賽車技術(shù)的基本理論。