Sentence examples for are expensive to develop from inspiring English sources

"Internet filtering tools are expensive to develop and maintain, and can easily 'underblock' due to the constant development of new ways of sharing content.

But the sites are expensive to develop.

Large software systems are expensive to develop and maintain.

With their fantastic sets and elaborate costume, Beijing operas are expensive to develop and stage.

Although free for students, online courses are expensive to develop for universities.

Both are products that are expensive to develop but relatively cheap to make.

It can be expensive to develop and can require schools to invest in technology up front.

Its price has remained high, because it was expensive to develop.

Brian Corde, a corporate site consultant with Atlas Insight in Fair Haven, N.J., said data centers were expensive to develop and operate.

Dr. Frederick J. Lisy, a vice president at Orbital Research, said, "These microvalves have been expensive to develop but will be very cheap to produce".

Nook has been expensive to develop and market and the company does not have the hefty financial resources of its competitors.