名词
中文翻译：上升和下降系统
同义词：
['rise-and-fall model', 'rise-and-fall theory']
例句：
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1. The rise and fall of thestock market is closely monitored by financial analysts.
股市的涨跌被金融分析师密切关注。
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2. Therise and fall of the economy is closelywatched by policymakers.
经济的增长与衰退受到政策制定者的密切关注。
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3. Therise and fall of thecompany's revenue has asignificant impact on its stock price.
公司收入的增减对公司股价有重大影响。