| 例句 |
Economies have peaks and troughs.经济有高峰，也有低谷。The boat rolled heavily in the troughs between the waves.船在波涛起伏的海浪中剧烈摇摆。The graph showed peaks and troughs of activity.图表显示了活动的高峰和低谷。The business cycle is a series of peaks and troughs.商业周期是一系列的高峰期和低谷期。Economic life moves in cycles of peaks and troughs.经济活动在高峰和低谷循环交替。We try to adapt to peaks and troughs in demand.我们努力适应旺季和淡季的需求波动。The boat rolled heavily in the troughs between the waves.小船在海浪间的波谷中剧烈晃动。 |