Sentence examples for needed challenges from inspiring English sources

On the other hand, catalysis is a key part of green chemistry, and one of the fundamental needed challenges facing chemists now is to design and apply of eco-friendly catalysts [35, 36, 37, 38].

But Israel needed challenging.

But these, too, needed challenging.

The ANC's belief that its mandate was somehow God-given needed challenging.

Therefore, identifying the relevant document snippets for annotating is a needed challenge to improve the quality of automated annotations.

"I need challenges".

"I need challenges all the time," Colker says.

"You need challenges and achievements to keep the adrenalin flowing.

"We all need challenges in life, a kick in the rear".

Engage in one-on-one discussions that explore employee goals, needs, challenges and interests.

That needs challenging.