In the last sentence of the passage, the word “they” refer to ______.

Many of the. potentially greatest benefits of tourism attach equally to both hosts and visitors.In any cross-cultural exchange, there are opportunities for mutual education and the breaking down of cultural barriers. Even within countries, particularly large countries like the United States, tourism increasingly creates contacts among people of widely varying backgrounds. Another educational benefit of tourism has been the growth of interest in learning foreign languages. Jobs in the tourism industry often require that employees be able to speak a second or third language in order to serve tourists.

Domestic tourism consists of leisure and business travel activities conducted by citizens within their own country. Domestic tourism inevitably grows in response to a country’s economic development and rising living standards. Travel and tourism, as a socioeconomic behavior, is very closely related to advances in the economy and culture of a society. Like many other socio-cultural and economic activities, travel and tourism follows the law of self-development, moving from lower level development to higher level development and extending from domestic travel to international travel. Travel and tourism is a form of modem consumer behavior. The realization of one’s desire to travel depends not only on discretionary money and leisure time, but also on many complex social and political factors, including the social stability of the destination.

特别服务项目

本国居民旅游市场

年度大会

常规环境

商业压力

面向出口的商务活动

住宿消费

家庭暑假市场