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表“平稳”和“波动”
（1）平稳：
reach/hit a plateau : （活动或进程）进入平稳状态
By the end of last last year, this improvement had reached a plateau.
截至去年年底，这种改善趋于平稳。
plateau/plateau out 进入平稳时期
level out/off: （数字或数量）趋向平缓、趋于稳定
The program will welcome twenty students in its first year with plans to level out at forty the following year.
该计划将在第一年迎来二十名学生，并计划在接下来的一年里维持在四十人的水平。
maintain the same level: 保持某一比率或水平
We cannot have low tax increases and maintain the same level of officers in the police department.
我们无法在低税收增长的同时，在警察部门保持同等水平数量的警官。
（2）波动：
fluctuate between: 在某范围内波动
His total working time per week fluctuated between 35 hours and 45 hours.
他每周工作时间在35至45小时间波动。
fluctuate around: 围绕某一水平出现波动
Gold prices would likely fluctuate around current levels but could rise later this year.
黄金价格可能会在当前水平波动，但今年晚些时候可能上升。
（1）平稳：
reach/hit a plateau : （活动或进程）进入平稳状态
By the end of last last year, this improvement had reached a plateau.
截至去年年底，这种改善趋于平稳。
plateau/plateau out 进入平稳时期
level out/off: （数字或数量）趋向平缓、趋于稳定
The program will welcome twenty students in its first year with plans to level out at forty the following year.
该计划将在第一年迎来二十名学生，并计划在接下来的一年里维持在四十人的水平。
maintain the same level: 保持某一比率或水平
We cannot have low tax increases and maintain the same level of officers in the police department.
我们无法在低税收增长的同时，在警察部门保持同等水平数量的警官。
（2）波动：
fluctuate between: 在某范围内波动
His total working time per week fluctuated between 35 hours and 45 hours.
他每周工作时间在35至45小时间波动。
fluctuate around: 围绕某一水平出现波动
Gold prices would likely fluctuate around current levels but could rise later this year.
黄金价格可能会在当前水平波动，但今年晚些时候可能上升。
