Useful
例句
1.但它们是一个有用的营销工具。
2.这里有一些有用的小窍门。
3.那些对我有用的东西不一定适合你。
4.他的个人魅力的确是有用的。
5.这回事有用的信息。
But
they
are
a
useful
marketing
tool.
Here
are
some
helpful
tips.
What
works
for
me
might
not
work
for
you.
useful
我偶然得到了几本极为有用的旧书。
I
picked
up
some
highly
useful
old
books
helpful
她那本《伊万杰琳》后面有许多有用的注解。
Her
copy
of
《Evangeline》
has
many
helpful
notes
at
the
back
of
value
serviceable
available