Sentence examples for has previously proven from inspiring English sources
"Holding encrypted files for ransom is not entirely new, but getting the ransom paid has previously proven problematic for the crooks.
But the president-elect – who has previously proven his political and managerial nous as Buenos Aires mayor and president of Boca Juniors football club – said he would try to bridge the ideological divide by recruiting talents from all sides into his administration.
"I don't want my grandkids not to be able to swim in Hawaii or climb a mountain and see a glacier because we didn't do something about it," he added in an unusually personal speech on a subject that has previously proven toxic for his political strategists.
The market for set-top boxes has previously proven a tough one to crack, for both Microsoft and Sony.
The wind tunnel was built to fit within an existing setup, which has previously proven to be successful in detecting the turbulent effects from other turbulence models.
InSAR has previously proven successful in determining long-term qualitative climatology of ice deformation around on-ice operations, but is now used to explore its potential for providing quantitative guidance for ice road planning, construction, and maintenance.
Mr. Dylan has previously proved elusive to critics and observers who have tried to pin him down on source material.
Lashing together these strands into a coherent narrative is a tricky high-wire act, though one that Fox has previously proved he can pull off.
Lamar has previously proved himself to be a sympathetic observer of female experience, and of the ways in which, for women, the pressures of home and street can intersect.
The main originality of this study is the achievement of dowel welds through greater depths of sections than has previously proved possible.
One attempt that has previously proved effective in addressing non-adherence is the formation of ocular inserts, such as the Ocusert®, whose diffusion-based control released an older drug (pilocarpine) for a week-long period.
