Sentence examples for various difficult challenges from inspiring English sources

However, there exist various difficult challenges to design a reliable communication in the VANET scenario, many of which can be addressed by a clustered network [7].

Mr. Rubio also faces several difficult challenges.

Complex genetic diseases present several difficult challenges for linkage analysis.

The aim of the game remains the same from its predecessor; complete various and increasingly difficult challenges to move on to the next race.

This incomplete information demonstrates an opportunity among epidemiologists to characterize the magnitude and impact of various sources of uncertainty, which can help address one of the more difficult challenges in risk assessment.

The Challenge Tower mode is a single-player option that includes 300 specific challenges of various difficulties providing currency rewards upon completion; players have the option of using in-game currency to bypass other difficult challenges, completing them later.

So we face big and difficult challenges.

And Tower Hamlets faces some difficult challenges.

Life presented many difficult challenges for Howard Clery.

There have been some really difficult challenges.

"We face some very difficult challenges," he said.