the repeated, often regular, movement from one state to another; the repeated change in level, numbers or amount :
the ebb and flow of the seasons
She sat in silence enjoying the ebb and flow of conversation.
the repeated, often regular, movement from one state to another; the repeated change in level, numbers or amount :
the ebb and flow of the seasons
She sat in silence enjoying the ebb and flow of conversation.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005