London is older than Chisinau.
Chisinau is not that old that London.
A car is more expensive than a bike.
A bike isn't as expensive as a car.
A city is more noisy than a village.
A village is not as noisy as a city.
A rainy day is more bad than a sunny day.
A sunny day is not as bad as a rainy day.
A mobile phone is more useful than a computer.
A computer is not as useful as a mobile phone.