Sentence examples for have proved elusive from inspiring English sources

Effective long-term therapies have proved elusive.

Osama bin Laden and his top lieutenants have proved elusive.

Synergies have proved elusive, local rivals have got stronger and tastes more particular.

Policies that are effective, efficient and politically palatable have proved elusive everywhere.

The Shabab's leaders have proved elusive, narrowly escaping American airstrikes several times before.

Successful subscription models for music have proved elusive for a similar reason.

Wearables have proven elusive for Microsoft.

Such judicious designs have proven elusive for synthetic materials.

Although they have provided substantial revenue, self-sustained growth and a more egalitarian distribution of income have proven elusive.

However approaches to modulate β-catenin activity for therapeutic purposes have proven elusive to date.

Gene signatures predictive of response to specific chemotherapy regimens have proven elusive.