Give two advantages of air travel over rail travel for passengers.
请举2例说明,对乘客来说,航空旅行相比铁路旅行的优势是什么?
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All have been closed down due to cheaper and faster rail travel.
但是,廉价而快捷的铁路运输使这些航班都寿终正寝.
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Rail travel is cheaper than air travel.
乘火车旅行要比乘飞机便宜.
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They wanted DB to retain its turn - up - and - pay style of rail travel, which German passengers cherish.
他们要 DB 保持它的发动就要付钱的铁路旅行方式, 这个是德国旅客所珍爱的.
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