The phrase "it cannot explain" is grammatically correct and can be used in written English.
Example: "Although science has made great strides, there are still many mysteries that it cannot explain."
But pity aside, he said, why should he vote for something so abstruse that even someone whose job is to understand it cannot explain away its mysteries?
And if its design can explain some of Iowa's problems, it cannot explain all of them.
But it cannot explain the destruction.
How can a list such as this include a book it cannot explain?
Making cigarettes more expensive did cause some smokers to quit, but it cannot explain the entire sales decline.
You asked for the money to be sent via a bank transfer which Barclays refused, as you do not bank with it, a policy it cannot explain.
The report says time and again that it cannot explain Andersen's actions, and complains that Andersen declined to provide needed documents.
Sageman's model provides clues to how radicalization unfolds, but it cannot explain why one person embraces extremism and another does not.
As genetics pioneer Hugo de Vries put it, "natural selection may explain the survival of the fittest, but it cannot explain the arrival of the fittest".
So although biology can go a long way to explaining sexuality in humans, it cannot explain everything – including why some people are attracted to the same sex.
