fluctuate
verb [ I ] uk/ˈflʌk.tʃu.eɪt/ us/ˈflʌk.tʃu.eɪt/
C2 （尤指持续）波动，起伏不定
to change, especially continuously and between one level or thing and another
Vegetable prices fluctuate according to the season. 蔬菜价格随着季节变化而涨落。
Her wages fluctuate between £150 and £200 a week. 她的周薪在150英镑到200英镑之间浮动。
Her weight fluctuates wildly. 她的体重起伏很大。
fluctuating prices 波动的价格