Today
,
there
are
more
than
3
,
500
hotels
in
81
countries
.
Its
____________________
says
:
?
Hilton
Worldwide
is
the
leading
____________________
hospitality
company
,
ranging
from
____________________
full
-
service
hotels
and
resorts
to
extended
-
stay
suites
and
____________________
-
priced
hotels
.
?