Sentence examples for challenging since from inspiring English sources

But times for the company have been challenging since then.

Ranking historical players in sports is challenging since some players have never played against each other.

Capturing function is challenging, since activation involves triggered dynamic shifts between ON and OFF states.

After examining various Supergrids models, financial aspects resulted challenging, since big investments are required.

The chemical and biosensors with aforementioned features have been still challenging since several decades.

The problem is challenging, since the process model is highly nonlinear, and subject to uncertainty.

Treatment of CM is challenging, since triptans or ergot derivatives are inconsistently effective.

In China, effective communication is challenging since communication features vary in different provinces or areas.

These processes may be challenging since mediastinal air cysts rarely develop.

Unfortunately, the analysis of EIS data is frequently challenging since it can require the selection of ad hoc equivalent circuits.

During delivery, darkness is challenging [since electricity is not available].