noun
postal service; post service
Refers to the business or operations of handling mail and parcels, often used in official or corporate contexts.
郵便事業は国によって運営されている。
The postal service is operated by the government.
彼は郵便事業に長年携わってきた。
He has been involved in the postal business for many years.
Compound of 郵便 (postal mail) and 事業 (business, enterprise).