The drop in travel is bad news for the airline industry.

旅游业滑坡对航空业来说是件坏事。

《柯林斯英汉双解大词典》

The travel and tourism industry is the world's largest employer with almost 130 million jobs, or almost 7 percent of all employees.

旅游业是世界上最大的雇主行业，提供了近1.3亿个工作岗位，几乎占总员工数的7%。

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With information no longer controlled by travel agents or hidden in business networks, the travel industry was revolutionized, as greater transparency helped slash prices.

随着信息不再被旅行社控制或是隐藏在商业网络中，旅游业发生了革命性的变化，更高的透明度使价格降低了。

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The Alaska Travel Industry Association says tourism directly pumps a billion and a half dollars a year into the state economy.

VOA: special.2009.03.02

This will have a bad effect on the mountain's ecosystems and on Tanzania's travel industry.

VOA: special.2009.04.22

And,they are important for the travel industry in some countries.

VOA: special.2010.08.10

In addition to receiving the most artistic brochure in the travel industry, travel to PNG with R.

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The internet has completely revamped the travel industry, with travel agents being replaced with online booking.

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The business travel industry knows this, of course, and even the idea that such technologies could replace actual travel might further shrink the already damaged industry.

ECONOMIST: Business travel