The removal of coral either for_______ collected by the public or for commercial sale by tourist enterprises, threatens some coastal regions of Australia and elsewhere,

Conferences and exhibitions can be considered s two distinct types of activity, but there are increasing links between them. Many conferences include an exhibition so that the would-be conference center has to provide space for this purpose. Similarly, conferences are often held in association with exhibitions, and once again exhibition centers are providing conferences facilities within the site, In 1983, 26 percent of expositions held in Britain had an associated conference. While a survey of US conventions found that 24 percent had exhibitions. It is the large conference or convention which is most likely to have an associated exhibition. The American convention center illustrates these tendencies It consists of a series of large halls which can be used either for exhibitions or with seating installed for conferences.

出境证明

The development of the car, associated road networks, the railways and better and more efficient aircraft offering greater comfort and safety all contributed to the better use of increasing leisure time and greater demand for tourism. However it is not only the frequency and speed of transport that s important but also the cost of it and the other related components of tourism (accommodation and support facilitates). Thus prices, frequency, speed and efficiency of transport all play a part. The faster the mode of travel and the lower the prices the more is demand stimulated. More people with limited discretionary incomes or those with limited time for travel, can indulge in tourism, domestic and international.

低成本的效率

市内公共汽车

组合自己的包价旅游

大杀其价

价值观

义务的保险范围

特许经营的观念