Tourism has a profound impact both on the world economy and, because of the educative effect of travel and the effects on employment, on society itself.

旅游业不仅对世界经济产生了深远的影响，而且由于旅游的教育作用和对就业的影响，也对社会本身产生了深远的影响。

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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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To explore the positive and negative effects of medical tourism on the economy, health staff and medical costs in Thailand.

旨在探讨泰国医疗旅游对经济、医务人员和医疗成本的正面和负面影响。

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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

But the strong pound, the cost of fuel, the foot-and-mouth outbreak and recent terrorist attacks in the USA have all had significant effects on the tourism industry.

BBC: Tourism leaders look for answers

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?