benefit; use; value; good.
As yet, no examples have been found which are not negated.
There is no use [for your] expertise if [you] don't let [it] come out.
There is no use of your expertise if you don't show it./ Your expertise is pointless if you don't put it to use.
If the book is just kept in its place, its value is nil.
Its benefit is nil if married people fight.
It is no good if married people always fight.