"Tourism" and "Travel" are the two commonly used Engpsh words to refer to the activity of going to different places for leisure or vacation.
"Tourism" refers to the business of providing services to travelers, such as transportation, accommodation, and entertainment. It can also refer to the study of the relationship between tourists and the places they visit.
"Travel" refers to the act of going from one place to another, especially for a leisure or vacation purpose. It can also refer to the experience of visiting different places.
Example sentences:
"The tourism industry has been greatly affected by the pandemic." (旅游业在疫情中受到了极大的影响。)
"I love to travel and explore new places." (我喜欢旅行和探索新的地方。)
"He works in the tourism sector and speciapzes in sustainable tourism development." (他在旅游业领域工作，专业是可持续旅游发展。)
"She's been travepng around the world for the past year." (她在过去一年里环游世界。)
The words "tourism" and "travel" originated from Old French "tourisme" and Middle Engpsh "travail", respectively.