1．我们出远门总要坐火车或飞机
2．坐火车和坐飞机各有什么利弊
3．你的结论如何
When parison and contrast of them.
First of all, a train mand a good view of fields, buildings, mountains and even plains of clouds. Despite these similarities, they differ in the following aspects. First, a train ticket is cheap. Most of us can afford it. However, a plane ticket is about twice as expensive as a train ticket. Most of us grudge paying for it. Besides, it is safer to travel by train. If the train gets into some trouble, we may survive by jumping out of it. On the contrary, if we travel by plane, we have to ask God to bless us. However, it takes us longer time to travel by train than by plane．
Therefore, it depends which transportation tool we should choose. If we just want to save money，we will travel by train; but if we want to save time, we will turn to the plane.