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Price is the amount of currency required for one unit of commodity when the commodity is exchanged for currency (an index of proportion, this statement is wrong, the index is unique to many commodities, and is dimensionless), or in other words, price is an expression of value (currency is deleted, and the value itself is expressed in currency). Price is the transformed form of the exchange value of commodities in the circulation process. In the process of economics and business, price is a value established for goods, services and assets in the form of currency. In microeconomics, price is one of the important variables in the process of reallocation of resources between demand and suppliers.
Quality is a physical quantity that measures the translational inertia of an object. Its pinyin is: zhì liàng. It means the quality of a product or work, and improves quality (the degree to which a set of inherent characteristics meets requirements). In the field of sociology, (objective) value or the actual amount of subjective feelings, such as (observation) social quality (the adaptability and standard of public life in society).
Transportation to refer to the logistics activity of transporting items from one location to another using specific equipment and tools. It is the spatial displacement of objects within different geographical areas with the purpose of changing the spatial location of objects.
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