元となった辞書の項目
preferential
意味（2）
Of
or
relating
to
a
voting
system
in
which
the
voters
are
allowed
to
indicate
on
their
ballots
their
preference
(usually
their
first
and
second
choices)
between
two
or
more
candidates,
so
that
if
no
candidate
receives
a
majority
of
first
choices
the
one
receiving
the
greatest
number
of
first
and
second
choices
together
is
the
winner.
