商业文化是指商业企业在其经营过程中所体现出来的物质文化和精神文化的总和。
Commercial culture is the sum of material culture and spiritual culture reflected in course of commercial business operation.
过剩数是指所有因子的和大于该数，而亏数是指该数的因子的总和小于该数。
An abundant number's sum of factors is greater than the number, and a deficient number's sum of factors is less. Listing 1 shows the Scala version.
劳务是指凝结在人身上的知识、体力和技能的总和。
Labor service is the summation of knowledge, physical force and skills on human bodies.
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