"Metro nie jest wolniejsze niż autobus."

Translation: The subway is not slower than a bus.

[frandogk3]

Why niz here instead of od?

[immery]

both are correct. It can be also "od autobusu"
The course wants to demonstrate both ways of saying this.

[frandogk3]

Thank you.

[RobinB896941]

Thanks, that's exactly what I wanted to ask, too :)

[Simone76]

"The tube..." is commonly used expression for underground in London, so I suggest to add this option too.

[Jellei]

Sure, I am surprised it wasn't added so far. Will be accepted now.

[Tookeydoo]

We call the subway the "train" in Chicago. I suppose that doesn't matter.

[elizabethp713816]

In the uk subway is generally a place not a form of transport. For example a subway station, a subway under a road ( underpass). The transport is called, undrrground/tube/metro