They subject the effects of tourism to scrutiny.

他们对旅游业的影响进行详细审查。

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Because of special property on the product, tourist attractions need direct or indirect management to tourists both in tourist experience and in environmental effects of tourism.

旅游景区由于其产品的特殊性，在游客体验和旅游活动对环境的影响方面都需要对游客进行直接或间接的管理。

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As the increase of social employment pressure, the employment effects of tourism are getting more and more attention and researches on evaluation of employment effect also increase gradually.

随着社会就业压力的增大，旅游业的就业效应越来越受到重视，关于就业效应评估的研究逐渐增多。

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The outbreak of swine flu in Mexico comes at a time when the country is already struggling with the effects of the worldwide economic recession and some loss of tourism caused by drug violence in cities like Juarez.

VOA: standard.2009.04.30

In 2008, GDP fell more than 1% due to declining tourism and the initial effects of liberalization, but the economy recovered in 2010-11 after the reforms took hold and tourism increased.

FORBES: Seychelles

In Acapulco, by contrast, the hotel and tourism industry has already felt the negative effects of the violence.

FORBES: Is Drug War Violence Scaring Away Mexico's Spring Break Tourists?

The city councils said they're taking action because of concerns over enforcement costs and negative effects on Arizona's tourism industry.

CNN: Latino rights group, others call for Arizona boycott