Alvin Roth, who won a Nobel prize in economics for his work on market design, made a career of studying such "matching markets", where supply and demand are not balanced by price.
曾因市场设计研究获得过一次诺贝尔经济学奖的阿尔文·罗斯的专项就是研究此类“配对市场”。在配对市场中，供需的平衡不取决于价格。
China based its policies on domestic agricultural supply, especially on balanced supply and demand of grains.
中国将其政策基于国内农产品供应，特别是基于粮食供需的平衡。
The aggregate supply control over petrochemical industry has been basically achieved and the demand and supply of crude oil, product oil and main petrochemical products are balanced on the whole.
石化行业控制总量基本到位，全年原油、成品油和主要化工产品的供需大体平衡。
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