Sentence examples for a big challenge is from inspiring English sources

A big challenge is that ovarian cancer is very rare.

A big challenge is accessibility to basically everywhere.

A big challenge is the discrimination of sulfhydryl-containing amino acids due to their structural similarity.

A big challenge is getting the cost of their battery capacity below $400 per kilowatt-hour.

"A big challenge is getting people to talk across their disciplines," says Martin.

Today, a big challenge is how to create customers in the era of the internet.

Battelle: I was going to ask if a big challenge was looming government regulation of online advertising.

It's a big challenge being a spiritual teacher in a secular culture.

MARILYN: A big challenge was that originally our script was structured to be a big budget studio movie.

Often a bigger challenge is bureaucratic: getting proper government permits.

A bigger challenge is when the scientists aren't sure what they are looking for.