Even if many difficulties remain, we can overcome them.

便是再多的困难，也能克服。

《新英汉大辞典》

That is probably true, but difficulties remain.

也许如此，但是困难仍然存在。

youdao

Such signs bode favorably for a strong recovery, though potential difficulties remain.

WSJ: Rep. Gabrielle Giffords's Brain at Risk Despite Quick Aid After Shooting

The euro area's growth difficulties remain worst in Germany .

ECONOMIST: Overview

However difficulties will remain for managers and companies to tailor goals for employees as metrics and easily quantifiable ways to measure success of failure -- be it profits or targets -- persist.

CNN: Goal rush: Why goal-setting isn't always a good thing