Sentence examples for barrier could be from inspiring English sources

Another barrier could be a lack of evidence.

In states predicting tight races Ohio, Florida, Pennsylvania this barrier could be decisive to the outcome.

The more profound barrier could be Republican divisions over the budget proposal itself.

An impaired gastric mucosal barrier could be involved in this carcinogenesis.

Any molecule that has difficulty crossing the barrier could be loaded in the nanoparticle and trafficked across," Karnik says.

That barrier could be a mountain, say, or -- in the most famous example of speciation, Darwin's finches -- the sea.

According to the BBC, "Experts fear that by 2030 the current barrier could be unable to cope".

In addition to the cost — which many struggling districts may consider too high — another barrier could be teacher opposition.

The Court held, however, that the Frothingham barrier could be overcome by any claim that met both requirements of a two-part "nexus" test.

For decades, people had speculated about whether this barrier could be conquered – and some suggested that you might die in the attempt.

They were hopeful that if they could build a big enough machine the barrier could be breached decades of frustrating effort would finally yield energy.