to begin to exist or to become publicly known about :
He's written a lot of good material that has never seen the light of day.
to begin to exist or to become publicly known about :
He's written a lot of good material that has never seen the light of day.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005