fluctuating
adjective2 搭配平均频率: 6.0
波动的需求
refers to a level of demand for a product or service that changes unpredictably over time
指对产品或服务的需求水平随时间不可预测地变化
起伏的命运
refers to a person's or entity's luck or success that rises and falls over time
指个人或实体的运气或成功随时间起伏