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
(..) Shmear me. Well,here's an interesting turn of events. What? Howard brought a date? A more plausible explanation is that his work in robotics has made an amazing leap forward. Hey,what up,science bitches? May I introduce my special lady friend summer? Howard,I told you touching's extra. (..)2007 TvShow: The Big Bang Theory Title: The Luminous Fish Effect Season: 1 Episode 4