这类国内旅客现在成为了旅游公司的生命线，旅客的消费成为航空公司、酒店及行业其它企业必需的收益。

These domestic tourists are now the lifeline of tourism businesses and their expenditures come as much needed revenue to airlines, hotels and others in the industry.

youdao

这类国内旅客现在成为了旅游公司的生命线，旅客的消费成为航空公司、酒店及行业其它企业必需的收益。

These domestic tourists are now the lifeline of tourism businesses and their expenditures come as much needed revenue to airlines, hotels and others in the industry.

youdao