1.
business, enterprise, undertaking
A commercial business or economic activity. Used for companies, ventures, and business operations in general.
新しい事業を始める。
To start a new business.
海外事業を拡大する方針だ。
The policy is to expand overseas business operations.
父は長年不動産事業を営んでいる。
My father has been running a real estate business for many years.
2.
project, program, initiative
A planned undertaking or organized effort, often by governments, organizations, or institutions to achieve a specific goal.
市の復興事業が進んでいる。
The city's reconstruction project is progressing.
公共事業に多額の予算が使われている。
A large budget is being spent on public works projects.
政府は子育て支援事業に力を入れている。
The government is putting effort into childcare support programs.
COMMON COLLOCATIONS:
- 事業を始める (to start a business)
- 事業を営む (to run a business)
- 事業を拡大する (to expand a business)
- 公共事業 (public works)
- 事業計画 (business plan)
- 事業者 (business operator)
The word 事業 is broader than 会社 (company). It refers to the activity or undertaking itself, not the organizational entity.