Sentence examples for have proved complex from inspiring English sources

But in practice, things have proved complex.

Crime and policing have proved complex issues for Mrs. Clinton.

Unfortunately, most processes designed to do this have proved complex and inefficient.

Talks with European banks on a voluntary debt rollover have proved complex enough that they may drag on well into the summer.

Talks with European banks on a voluntary debt rollover have proved complex enough to suggest that they may drag on well into the summer.

Efforts to measure child QOL have proved complex but a number of generic and disease-specific measures have been reported [ 4].

Unfortunately, prevention and treatment of obesity and related complications have proven complex, and successful strategies to tackle this pathology remain limited.

But the task has proved complex — and a failure to agree smoothly about these top spots could prove embarrassing.

The infrageneric phylogeny of Narcissus still remains relatively unsettled, the taxonomy having proved complex and difficult to resolve, due to the diversity of the wild species, the ease with which natural hybridization occurs, and extensive cultivation and breeding accompanied by escape and naturalisation.

Similarly, the relationship between p53 mutation and cancer prognosis has proved complex.

While accurate modelling of species trees has proved complex, the gene duplication process is likely to be even more complicated.