No obvious explanation exists for the melting.
The problem was that there was no obvious explanation.
Argentine-ant colonies sometimes collapse suddenly, and with no obvious explanation.
Hall said there was no obvious explanation for this, but that the cohort may be less able.
Most alarming for Woods, there was no obvious explanation for his struggles on the holes that he typically dominates.
There is no obvious explanation other than to help Ashford look better than it should have looked when it released its financial results.
The precise causes of infant mortality are sometimes mysterious, and doctors could find no obvious explanation for Eric's death — he had simply stopped breathing.
He points to last year's "disaster winter" and says that there is no obvious explanation for the urgent care crisis at the time.
But since then there have been five one of which, that at the end of the Ordovician period, has no obvious explanation.
However, this offers no obvious explanation for the improved stability of the C2S mutant under oxidative conditions.
The finding confounded biologists because there was no obvious explanation for why flies on one diet would prefer mates who ate the same thing.
