名词
中文翻译：Unknown
同义词：
['decrease service', 'decrease in service', 'reduce service']
例句：
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1. The company has dropped its premium services to attract more customers.
该公司已将其高级服务降级以吸引更多客户。
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2. The drop in service levels has affected the customer satisfaction.
服务等级的下降影响了顾客满意度。
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3. The airline has reduced its flight services to save money.
航空公司已减少其航班服务以节省资金。