常见例句雙語例句"Efficiency isn't enough, " says Richard Dyer, aviation campaigner for Friends of the Earth. "To go on raising emissions isn't acceptable."地球之友的航空工業宣講員理查德·戴爾表示：“僅僅提高傚率是遠遠不夠的，而繼續增加排放是不能接受的。” 返回 richard dyer