by express 通過快遞by experiment 用實驗 從試驗中by experience 憑經(jīng)驗;通過經(jīng)驗by example 通過實例by error 錯誤地by email 通過電子郵件by election 通過選舉by easy stages adv. 從容不迫地by ear 不看樂譜;憑聽覺by drive [計算機科學技術(shù)]依磁盤驅(qū)動器代號by doing this 通過這樣做by doing sth 通過做某事by doing so 通過這樣來做by doing 通過作…by dint of 用;憑借by desire 應邀by design 故意地by description 憑說明by dependent on 由...決定;依靠by definition 按照定義;當然地;明顯地