Taking a high speed train for a tripto travel is very convenient.

Your original sentence is fine and understandable, correction sounds more natural to me.

Every time I have this feeling whenevery time I take a high speed train.

For instance, taking a high speed train is just like taking a bus,. Both trains and busses take about ten or twenty minutes about, the traind stops at a stations.

But the only difference is that when you take a bus, you are traveling in the same city, whereas when you take a high speed train you are traveling in aacross the country.

The environment inside the train israins are very comfortable and you never feel bored during the trip.

You can see thelook out-singsde through the window and see the different appearances of different cities.

Every time I have this feeling when I take a high speed train, I have this feeling.

For instance, taking a high speed train is just like taking a bus,: the tip takes about ten or twenty minutes, about,nd the train stops at a station.

But tThe only difference is that when you take a bus, you are traveling within the same city, whereas when you take a high speed train you are traveling within a country.

"But" is too strong here, because it suggests a contradiction.

The travel time is the same, but the distance is very different.

You can see the out-singsde through the window and see the different appearancscenes of different cities.

Not completely sure what you meant by "out-sings," but this is a phrasing that would make sense to me.