However UPSC thinks sale does not realize the value but also adds value.Therefore we regard the sale as the second production that adds value to the product.

• 然而UPCS认为，销售不仅是价值的实现，更是价值再次提升的重要契机，因此我们将销售看作产品的再次创作，通过这一创作过程赋予产品新的附加价值。