Generally speaking, public transportation is far more efficient and environmentally-friendly for cities than the means of personalprivate transportation. Generally speaking, public transportation is far more efficient and environmentally-friendly for cities than private transportation.

Generally speaking, public transportation is far more efficient and environmentally-friendly for cities than the means of personal transportation. Generally speaking, public transportation is far more efficient and environmentally-friendly for cities than personal transportation.

It canwill be difficult at first for people to stop using their cars, but as a result it will be better for everyone. It will be difficult at first for people to stop using their cars, but as a result it will be better for everyone.

It can be difficult at first for people to stop using their cars, but as athe result it will be better for everyone. It can be difficult at first for people to stop using their cars, but the result will be better for everyone.

How you wrote it, with "as a result," made it sounds like it was a result of the difficulty.

It can be difficult at first for people to stop using their cars, but as a result it will be better for everyone. It can be difficult at first for people to stop using their cars, but it will be better for everyone.

In the majority of cases, however, it costs city administration greateris expensives to purchase public transport modelsation infrastructure and recreatedesign streets, thereforeso this measure should be planned some time ahead. In the majority of cases, however, it is expensive to purchase public transportation infrastructure and redesign streets, so this measure should be planned some time ahead.

I don't think models is quite the word you're looking for. Infrastructure in this context would mean the buses and trains but also tracks, parts, depots, etc.

In the majority of cases, however, it costs city administration greater expensesis expensive for the city to purchase public transport models and recreatedesign streets, therefore this measure should be planned some time aheadin advance. In the majority of cases, however, it is expensive for the city to purchase public transport models and redesign streets, therefore this measure should be planned in advance.

I didn't know what you meant by "public transport models" so I left it there. Maybe you meant subway cars and so on? You could use the words vehicles, maybe, or better yet get specific. Or if you mean the actual building of a subway line, you could say "infrastructure."

InHowever, in the majority of cases, however, it costs the city administration greater expenses to purchase public transportation models and recreate streets, t. Therefore this measure should be planned some time, implementing public transportation requires much planning ahead. However, in the majority of cases, it costs the city administration greater expenses to purchase public transportation models and recreate streets. Therefore, implementing public transportation requires much planning ahead.