您要查找的是不是：
- 有 to have
- 有用 useful
- 学习马克思的理论有用吗?--仅就学生的疑惑谈点自己的体会 Is Studying Marxist Theory Useful? --To deal with students'puzzlement based merely on my personal understanding
- 好用吗? Does it work well?
- 有点 rather
- 孔孟思想还有用吗? Are the Confucian teachings still relevant?
- 要有 need
- 有问题 something the matter
- 有事 have ... on
- 解释会有用吗? Is there any good trying to explain?
- 有一天 in course of time
- 有用性 serviceability
- 抽水马桶冲水好用吗? Does the toilet flush well?
- 很有用 of great use
- 特别好/重要/有用 particularly good/important/useful
- 我们储备的酒够晚会用吗? Do we have enough wine in for the party?
- 好书对学生非常有用。 Good books are of great value to students.
- 我们的杯子够大家用吗? Have we enough cups to go round?
- 我不小心将这张五英镑的钞票撕成两半，这钱还可以用吗? I have accidentally ripped this five-pound note in half; can I still spend it?
- 谢谢你的建议，他对我们非常有用。 Thank your for your suggestion. It is very useful for us.
