#marketplace__market  the world of commercial activity where goods and services are bought and sold; "without competition there would be no market"; "they were driven from the marketplace"
  supertype:  activity  any specific activity or pursuit; "they avoided all recreational activity"
  subtype:  black_market  buyer's_market  seller's_market  labor_market  monopoly  monopsony  oligopoly
  part:  business_enterprise__commercial_enterprise__business  the activity of providing goods and services involving financial and commercial and industrial aspects; "computers are now widely used in business"
     part:  business_activity__commercial_activity  activity undertaken as part of a commercial enterprise

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