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 butcould 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。
