Sentence examples for remained challenge from inspiring English sources

The remained challenge is the identification of key molecules to mimic and accelerate the process that leads to resistance.

Even so, his prose remained challenging.

It said trading conditions remained "challenging".

Both toymakers said the retail environment remained challenging.

Morgan said the outlook for the housing industry remained challenging.

We finally discuss remained challenges and ongoing research efforts.

Invoking these approaches for GPCR targets has remained challenging.

Tracking of BPHS component funding remained challenging.