an authority
on (expert)
ban
on
comment
on
effect
on
influence
on
restriction
on
tax
on
access
to
an alternative
to
an attitude
to
an exception
to
a solution
to
a threat
to
a witness
to
be in authority
over
have control
over
be in dispute
over something
contrast
with
be in dispute
with someone
encounter
with
link
with
quarrel
with
relationship
with
admiration
for