very useful

• - this lady could be very useful to you . - in what way
  -这个女人对你可能很有用-怎么有用？
• The research of pc game is very useful
  研究电脑游戏的制作很有意义。
• This lady could be very useful to you . - in what way
  这个女人对你可能很有用-怎么有用？
• - i ' ve g ] iven up ag ] ain . - shame . i find them very useful
  -我又戒了-别现眼了，抽烟很管用呢
• Thank your for your suggestion . it is very useful for us
  谢谢你的建议，他对我们非常有用。
• We finally found the dictionaries very useful
  我们最后发现词典很有用
• This is a piece of very useful information
  这是一条非常有用的情报。
• A . ashlight can be very useful in a storm
  手电筒在暴风雨时很有用。
• On the other hand , log4j has proved to be very useful
  另一方面， log4j已经证明是非常有用的。
• I ' ve g iven up ag ain . - shame . i find them very useful
  -我又戒了-别现眼了，抽烟很管用呢