Sentence examples for a concern has been from inspiring English sources

"And I think more of a concern has been not within the campaign the mistakes that were made, not being able to react to the circumstances that those mistakes created in a real positive and professional and helpful way for John McCain," she told Bill O'Reilly.

A concern has been raised, however, regarding the score comparability between NCT and those tests of four skills.

If you have such a policy, it is important that you always follow up and let employees know what action or resolution is taken when a concern has been raised.

A concern has been raised that atorvastatin may competitively inhibit the metabolism of the prodrug clopidogrel to its active metabolites by the cytochrome P450 3A4 (CYP3A4) enzyme, thereby potentially negating its antiplatelet effect.

Since large-scale commercial planting of genetically modified (GM) crops began in 1996, a concern has been that non-GM crops may become contaminated by GM crops and that wild or weedy relatives of GM crops growing outside of cultivated areas could become contaminated.

Because many European bird species have been introduced to the native range of the psittacines studied here, a concern has been expressed that these parasites already have become established in these areas and are affecting the natural populations.

A: Reviewer concern has been considered and our response is as follows.

A major concern has been to ensure that there is a high level of IRR when COPUS is used after the brief period of training described above.

A major concern has been kidney stones (nephrolithiasis), the majority of which are composed of a calcium oxalate compound.

Therefore, a major concern has been to develop early diagnostic approaches and more effective treatments.

A major concern has been the terms under which the application source code is allowed to be modified and re-distributed.