by被; 由…創作; 靠,憑; 通過; 出于(偶然或意外); 就…而言; 根據; 經過; 在
leaps跳躍,飛躍( leap的名詞復數 ); 激增
and和,又; 加; 然后; 那么,結果是; 愈來愈
bounds
advance by leaps and bounds突飛猛進;突進
increase by leaps and bounds迅猛增長
transportation by leaps and bounds躍移
expand by leaps and bounds快速擴張
retreat by leaps and bounds大撤退
Regression by leaps and bounds快速多模型回歸