动词
中文翻译：Unknown
同义词：
['decline', 'decrease', 'drop']
例句：
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3. 例句：1. The company's sales have downrated significantly in the last quarter.
该公司在上一季度的销售额大幅下降。
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2.The price of oil has downrated due to global economic uncertainty.
由于全球经济不确定性，油价已经下降。
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3. Thestock market has downrated for the week, with major indexes closing lower than expected.
本周股市下跌，主要指数收盘低于预期。