to keep your advantage over sb, especially your competitors , by taking action before they do or by making sure you know more than they do
TO KEEP, ETC. ONE JUMP AHEAD (OF SB)
Meaning of TO KEEP, ETC. ONE JUMP AHEAD (OF SB) in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005