necessity
noun
nɪəˈsesɪəti
noun
1
something
that
you
need
to
have
in
order
to
live
必需品;
C
She
saw
books
as
a
necessity,
not
a
luxury.
她视书本为必需品而非奢侈品。
A
car
is
an
absolute
necessity
if
you
live
in
the
country.
你要是住在乡下，绝对需要有辆汽车。
the
basic/bare
necessities
A
lot
of
families
cannot
even
afford
to
buy
the
basic
necessities
of
life.
很多家庭甚至都买不起基本的生活必需品。
2
when
something
is
necessary
必要; 需要
U
[+
for
]
He
emphasized
the
necessity
for
good
planning
and
management.
他强调了做好规划和管理的必要性。
the
necessity
of
(doing)
sth
This
illustrates
the
necessity
of
keeping
accurate
records
of
your
work.
这说明有必要准确记录你的工作情况。
Many
teachers
are
now
questioning
the
necessity
of
formal
exams.
现在许多老师都在质疑正式考试的必要性。
through/out
of
necessity
He
only
remained
with
the
group
out
of
necessity.
他只是出于需要才留在了那个小组。
economic/practical/political
etc
necessity
经济/实际/政治等需要
I’m
afraid
it’s
become
a
matter
of
economic
necessity
.
恐怕这已成了一个经济需求的问题。
3
something
that
must
happen,
even
if
it
is
unpleasant
无奈的事物; 不好却必要的东西
C
Taxes
are
a
regrettable
necessity.
税收是令人遗憾的无奈之举。
4
of necessity
used
when
something
happens
in
a
particular
way
because
that
is
the
only
possible
way
it
can
happen
[正式] 势必，必定
formal
Many
of
the
jobs
are,
of
necessity,
temporary.
有许多工作岗位势必是临时性的。
5
necessity is the mother of invention
used
to
say
that
if
someone
really
needs
to
do
something,
they
will
find
a
way
of
doing
it
需要乃发明之母