Sentence examples for are complex and challenging from inspiring English sources

Most large computerization projects are complex and challenging.

It pretty much goes without saying that the pieces are complex and challenging.

"It has all the key ingredients -- public health problems that are complex and challenging, as well as the financial resources and the will to address these needs".

There's no reason why people can't go mad on their MySpace pages, or create sites that are complex and challenging for, say, geeks or gamers.

Numerical and analytical methods are not always accurate enough owing to accurate fracture and reservoir parameters, which are complex and challenging to be obtained efficiently.

Migrant shelters are complex and challenging educational environments.

Unfortunately, the development of such interventions is complex and challenging owing to the multifactorial complexity of the disease.

Yes, the BOP housing market in Latin American and the Caribbean is complex and challenging, but it is precisely those complexities that offer business opportunities to many market players.

It is complex and challenging; this is not a concern for tomorrow, the impacts are playing out today".

The job of an editor is complex and challenging, and I have never shirked from my responsibilities in performing it.

The metric assumes a rather simplistic approach to how habitats are established and sustained – the reality is complex and challenging, especially when one considers the development of soil and hydrological regimes.