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
(..) can't be pure fabrication. Too many similarities from unconnected sources. Sources in the restricted area? The very same. And the simplest explanation for your grating obsession with the white walkers is that you're telling the truth and that you saw what you say you saw. (..)2017 TvShow: Game of Thrones Title: Dragonstone Season: 7 Episode 1