Sentence examples for proven problems from inspiring English sources

2.00pm GMT I have asked the Guardian's environment editor John Vidal to address the argument that GM crops have been planted in many countries over two decades and there are no proven problems.

Facebook Twitter Google plus Share Share this post Facebook Twitter Google plus close 2.00pm GMT14:00 I have asked the Guardian's environment editor John Vidal to address the argument that GM crops have been planted in many countries over two decades and there are no proven problems.

There are no proven problems associated with the treatments, Dr. Alfano of N.Y.U.

That might be a liability if we secretly want a new civic daddy, rather than a proven problem-solver.

Both Ursula and John have engineering degrees and are incredibly talented and proven problem solvers.

Both Ursula and John have engineering degrees and are incredibly talented and proven problem solvers.

They are leaders, proven problem solvers, and critical resources in a time of need.

"Voters across the country are looking for a strong leader like Rudy Giuliani who is a proven problem-solver.

"Computer scientists are used to there being ways to prove problem set answers correct or algorithms efficient," she said.

Getting up for the smaller teams has, however, proven a problem.

Drug resistance had long proven a problem in targeting carcinoma cells directly.