Sentence examples for many unsolved challenges from inspiring English sources

There are still many unsolved challenges for making biobutanol technically, and economically viable.

"That creates a tremendous opportunity for security vendors to figure out what are those jobs that need to be done, and there are many unsolved challenges in that space.

Thus, many unsolved questions and new challenges are still remaining.

Despite the progress achieved in the treatment of breast cancer, there are still many unsolved clinical issues, being the diagnosis, prognosis, and treatment of papillary diseases, one of the highest challenges.

The law has the potential of cracking many unsolved cases, the governor said.

Despite this, many unsolved problems still remain.

The paper also includes future trends and unsolved challenges.

There are many unsolved murders of journalists, including Asahi staffers, on the police books.

There is no question that the region presents many unsolved social problems.

The degree of maturity of those tools varies greatly, and there are still many unsolved problems.

However, the power management and grid connection of EVs still comprise many unsolved problems.