市场价格是所有计量属性的基本概念，其他计量属性如历史成本、现行成本、现行销售（脱手）价格都来自市场价格。
Market price is the fundamental of all measurement attributes that other concepts ( as historical cost , current cost , selling ( exit ) price ) flow from it .
史密斯想卖而又迟迟不肯脱手，期待着价格上涨。
Smith wanted to sell but held on , hoping for a rise in price .
脱手价格