used to suggest that the way one event or action leads to others is so obvious that it does not need to be stated :
He offered me a ride home one night, and, well, one thing led to another and now we're married!
used to suggest that the way one event or action leads to others is so obvious that it does not need to be stated :
He offered me a ride home one night, and, well, one thing led to another and now we're married!
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005