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Jet Transportation, a Great Development in Transportation
提纲
1. 飞机已经是目前出行的主要交通工具之一。
2. 乘飞机速度快、费用低。
3. 飞机使世界变得更小。
One of the most important developments in transportation is the development of international jet transport and now the jet plane has become one of the leading means of transportation. Since this type of transportation appeared in the 1950s, it has changed the way people look at the world.
The most obvious important characteristic of jet travel is the high speed. A hundred years ago, it took weeks to cross the Atlantic or Pacific Oceans by ship. Today, those same trips can be completed in several hours. Another important aspect of jet travel is its relatively low cost. Aninternational journey one hundred years ago was extremely expensive. Only wealthy people could afford it. Today it is possible for more and more people in every country to travel in comfort with the help of jet planes.
In conclusion, the speed and low cost of international jet travel have changed the world and the world seems to become smaller than it was in the past.