A complete explanation to your question could be, and probably has been, the topic of books.

But from the look on her face, to Laurel, at this moment it seems a complete explanation.

But this would by no means offer a complete explanation.

He clearly thought this was a complete explanation, so she let it drop.

The statement was less than a complete explanation to Harrison.

You mean, am I going to help people figure out the complete explanation of what happened here?

A complete explanation for these data is beyond the scope of this article.

At no time have I believed that environment is a complete explanation of art.

The real reason this time, but far from a complete explanation.

The police aren't satisfied that he is giving them a complete explanation but they let him go for the time being.