investment
noun
ɪnˈvestmənt
noun
1
the
use
of
money
to
get
a
profit
or
to
make
a
business
activity
successful,
or
the
money
that
is
used
投资（的款项）
C,U
2
something
that
you
buy
or
do
because
it
will
be
useful
later
投资（的对象）
C
a
good/sound
investment
The
lessons
cost
me
over
$500,
but
I
consider
them
a
good
investment.
这些课程花了我五百多美元，但我认为这是一笔很好的投资。
3
when
you
spend
a
large
amount
of
time,
energy,
emotion
etc
on
something
〔大量时间、精力、情感等的〕投入
singular 单数,U
a
huge
investment
of
time
and
effort
时间和精力的大量投入