英文名称：Demand
中文名称：需求
经济学概念，指消费者愿意某种商品或服务支付相关费用的意愿。在其他因素不变的情况下，商品或服务的需求增大会导致其价格上升。
e.g. U.K. water utility Severn Trent PLC Thursday said declining demand would hit fiscal year revenue by GBP12 million to GBP14 million and its outlook is at risk from the economic downturn. eb1619e81e59668d2db8098284f6daa5
