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
(..) pick your own team. Not interested. Sorry. Mind telling me why? I think I deserve an explanation. I'm not that person anymore. You just saved hundreds of lives. I got lucky. Luck had nothing (..)2015 TvShow: Homeland Title: A False Glimmer Season: 5 Episode 12