旅游业的知识发展与更新的英文

develop & update tourism industry knowledge

• 旅游业:    tourism; tourist i ...
• 的:    4次方是 The fourth po ...
• 知识:    knowledge; know-ho ...
• 发展:    develop; expand; g ...
• 与:    take part in; part ...
• 更新:    renew; replace; re ...