This is the 871st most frequent Russian word.
бизнес
Business.
In this sentence, "бизнес" is used to represent a company or commercial activity owned and operated by a person.
Мой отец владеет небольшим бизнесом в городе.
My father owns a small business in the city.
"Бизнес" describes an occupational pursuit or profession related to commerce.
Я собираюсь открыть бизнес по продаже книг.
I am planning to start a business selling books.
Here, "бизнес" refers metaphorically to a personal endeavor or priority, not strictly a commercial enterprise.