fluctuation
US
UK fluctuation n: (variation) (数量、水平等)
SC 波动，起伏 bō dòng，qǐ fú
TC 波動，起伏
TC 波動，起伏
I don't see any fluctuation in the rate of speed.
fluctuation n: (rising and falling prices) (价格)
SC 波动 bō dòng
TC 波動
TC 波動
There hasn't been much fluctuation in the price of apples lately.
business fluctuations npl: (economic changes)
SC 商业周期 shāng yè zhōu qī
TC 商業週期
TC 商業週期
SC 经济波动 shāng yè zhōu qī ，jīng jì bō dòng