Airplantes are the fastest way to travel a long distance.
Airplant travel is one of the safest ways to travel.
Trucks carry and deliver many of things we buy and use each day.
Ships transport freight,such as oil or automobiles across the oceans.
A bus can carry many passengers,and is less expensive than a taxi.
Buses can carry more panssengers than a taxi or truck.
Buses are a good way to travel in a city.
Some ships carry passengers on oceans cruises（远洋轮）.
Ambulances carry sick or injured people to a hospital.
If someone is in a accident,call for an ambulance.
Ships transport freight,such as oil or automobiles across the oceans.
One very famous passenger ship was the Titanic.
Some buses,like this one,take tourists to places like the Great Wall.
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