Sentence examples for unsolved issue from inspiring English sources

The chief problem is the still unsolved issue of destroying the last remnants of slavery: the murderous bitterness of the Negro youth, of which two-thirds, lacking technical education, are unemployed in our increasingly industrial civilization.

This is the unsolved issue that we are investigating in the future work.

However, they still left some unsolved issue on the other nonregular modules.

However, a still unsolved issue is the automatic abstraction of generic compounds (Markush structures).

Language is an unsolved issue and limiting factor for further deployment of services.

Pedestrian safety at road intersections still remains the most vital and yet unsolved issue.

Esophageal full-thickness wall repair is an important but unsolved issue in endoscopy.

The optimal design of waste landfills is a complex, still unsolved issue.

However, effective extraction of Artemisia sphaerocephala Krasch seeds polysaccharides is still an unsolved issue.

Future evolution of urban inundation is still an unsolved issue, given large uncertainties in future environmental conditions within urbanized areas.

Moreover, whether to begin prophylactic treatment before, immediately or after the effect of the detoxification is an important unsolved issue.