Speed was of the essence in a project of this type.對(duì)于這種項(xiàng)目來(lái)說(shuō)，速度至關(guān)重要。Speed is of the essence in successfully containing a biological warfare attack.要想成功地扼制生物戰(zhàn)襲擊,速度十分重要.For many applications, speed is of the essence.對(duì)于許多應(yīng)用軟...