They are in high demand and parents have to pay part of the costs.

The book had a limited run and as a result is still in very high demand.

High demands are being made because a clear example has been set.

As the population rose, there was a high demand for public education in the city.

In 1910, there was a high demand for products from the military.

During this period, the country's labor force was in high demand.

Due to the high demand, a second show was added and took place on 10 March 2012.

The change was done to keep up with the high demand for the device.

As society was developing, there became a higher demand for education.

However the present population is slightly higher due to high demand.