Sentence examples for is still a challenge from inspiring English sources

There is still a challenge ahead.

Yes, this is still a challenge.

To perform these experiments is still a challenge.

However, such an implementation is still a challenge.

However, the rational design of asRNAs is still a challenge.

Segmental bone defect is still a challenge to orthopedic surgeons.

But it is still a challenge to Mr Bush.

But finding accurate information on injuries is still a challenge.

"But to implement this is still a challenge".

As a result, characterizing the condition is still a challenge.

"Energy storage is still a challenge," he says.