名词
中文翻译：Unknown
同义词：
['practical price', 'conventional price', 'usual price']
例句：
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1. The customary price for this product is $50.
这种产品的惯例价格是50美元。
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2. The company's usual price for this service is $20 per hour.
该公司为这项服务通常的收费是每小时20美元。
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3. The customary price for this item has increased by 10% since last year.
这种商品的惯常价格自去年以来已上涨了10%。