Phrases with «plenty of unanswered questions»

As useful as the new maps may be, they still leave plenty of unanswered questions about lunar water. (sciencedaily.com)
The movie might be making mega bucks, but there's still plenty of unanswered questions to discuss. (gamesradar.com)
However, the study leaves plenty of unanswered questions about how fitness and Alzheimer's disease are intertwined. (sciencedaily.com)
(see all sentences)