preferably
adv
ˈprefərəbli
adv
1
used
in
order
to
show
which
person,
thing,
place,
or
idea
you
think
would
be
the
best
choice
最好是
Students
must
take
two
years
of
a
foreign
language,
preferably
Spanish.
学生们必须学习两年外语，最好是西班牙语。