to use a supply of sth that is available to you :
I'll have to draw on my savings.
The novelist draws heavily on her personal experiences.
to use a supply of sth that is available to you :
I'll have to draw on my savings.
The novelist draws heavily on her personal experiences.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005