The company offered little 'by way of explanation' for the delays. [=as a way of explaining why there were delays]
Some of the more technical terms need/require 'explanation'. [=they need to be explained]
a likely/probable/possible/plausible 'explanation of' how the accident occurred
(..) What about after the vote? Those two should not be aloud contact. If she starts putting ideas in his head.. Bring her in. I'll handle the explanation. What about Alex? Unfortunately we can't just keep him on ice. The shooting at the station spooked some of the politicians. They're our clients we (..)2014 RoboCop