Page 90 - University English for non-speacalist

of the 21st century it is highly likely that more people
will travel more often to a wider range of international
destinations.

(III)There are, however, reasons to believe that this
future will not be realized. One of the greatest
uncertainties lies in at least maintaining the current
historically low cost of international travel. With plans
well advanced for the introduction of larger and more
fuel-efficient aircraft the medium-term outlook is
promising, but looking into the future there must be
concerns about the increasing scarcity of oil.

(IV)Technological developments such as the Internet
and virtual reality may reduce the need or desire to
travel. This notion can be summarily dismissed by
considering the nature of the tourism experience and

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