Sentence examples for been unable to develop from inspiring English sources

Airlines have been unable to develop solutions to congestion problems, which are steadily growing worse.

He added that researchers had been unable to develop an alternative lining that performs as well as the current epoxy.

The national team has been unable to develop dynamic, creative players who can compete at an international level.

They are blocking well, but have been unable to develop good sets and spikes in their transition game.

Many experts on the tax system agree that it is flawed and often inequitable, but they have been unable to develop alternatives with broad-based support.

Russia has been unable to develop its own remotely piloted spy plane, though it had clear military dominance in the conflict, which lasted five days.

In addition, 43% of ndk-1 let-23 double mutandk-1 let-23ere unable to doublep into adults as they arrested developmutants earlier (L1-L3) larval stages.

Both Antigone and Kreon are unable to develop meaningful leadership.

People seem to be unable to develop protective antibodies to Ebola.

Foxx will portray Nathaniel Ayers, a musician who was unable to develop his talent after he began to suffer from schizophrenia.

But crows and other members of the Corvidae family appear to be unable to develop sufficient immunity.