flat demand rate

例句：

1. 1. The government has introduced a flat demand rate to control inflation.
   政府已经引入了平准需求率来控制通货膨胀。
2. 2. The company's flat demand rate is significantly lower than its competitors.
   该公司的平准需求率远低于其竞争对手。
3. 3. The flat demand rate is calculated based on the actual consumption of goods and services.
   平准需求率是根据实际商品和服务的消费来计算的。