1. (n) tourist industry
2. tourism
3. travel industry
4. tourist trade
Examples:
1. 旅遊業已經成為真正的產業。
The tourist trade has become a real industry.
2. 旅遊業在八月份達到高峰。
Tourism is at its peak in August.
3. 這個國家的經濟在很大程度上依靠其旅遊業。
The country depends heavily on its tourist trade.
4. 該國經濟依賴於旅遊業.
The country's economy is dependent on tourism.
5. 該島毀在旅遊業上了.
The island has been ruined by tourism.