1. Travel undertaken for business purposes, typically involving sales, client meetings, or business conferences
He spent most of his time on commercial travel visiting clients across the country.
Ele passou a maior parte do seu tempo em viagem comercial visitando clientes em todo o país.
2. The business of transporting goods or passengers for profit
Commercial travel by air has increased significantly over the past decade.
A viagem comercial por ar aumentou significativamente na última década.