The kings prblems in semicomplete digraphs without vertices whose in-degree are zero and locally semicomplete digraph under some conditions are discussed chiefly in the paper.
In the environmental monitoring,to notate the results smaller than the detection limit by Not Detected,Zero,None or 0.00…n etc.is inappropriate even leads to the misjudged conclusion.
And so the future changed from this thing we create together in the present to something we bet on in some kind of a zero-sum winner-takes-all competition.