Collocation Dictionary
Common collocations with crux in American Collocation
central
main
real
very
This may be the very crux of our disagreement.
be
form
These three recommendations form the crux of the report.
matter/problem
case
issue
matter
problem
question
story
The crux of the matter is that few challenges would go to court.
argument/disagreement
argument
debate
disagreement
dispute
This question – how to reconcile economic development and the reduction of carbon emissions – is at the crux of the debate.