betreiben

verb
  1. To operate or manage a business or activity. verb
    They decided to betreiben a small cafe in the city center.
    She has been erfolgreich in betreiben her online store.
  2. To engage in or pursue an activity or process. verb
    He spends his weekends betreiben his hobby of model train building.
    The company is currently betreiben research into renewable energy sources.