漲落;盛衰;起伏;消長
牛津電影裡 100%
the repeated, often regular, movement from one state to another; the repeated change in level, numbers or amount
It seems then this ebb and flow thing sets in.
It s give and take ebb and flow
釋義來自《牛津高階英漢雙解詞典》第 9 版