您要查找的是不是：
- A test run would be useful to the statisticians. 试运转将对统计学家有用。
- The book is likely to be useful, only it's rather expensive. 这本书可能有用，只是相当贵。
- His years of study were useful in his job. 他多年的学习有助于他的工作。
- Don't do in the box, it may be useful. 不要把那箱子弄坏，它可能有用。
- Do not destroy that box -- it may be useful . 别把那个盒子毁掉，它也许有用。
- Lasers might also be useful for diagnoses. 激光也还可以用于诊断。
- She wouldn't scruple to tell a lie if she thought it would be useful. 她只要认为说谎有利，就连犹豫都不犹豫。
- Toads have an ugly appearance but they are useful. 蟾蜍外表丑陋，但很有用。
- Don't do in the box,it may be useful. 不要把放在那个箱子里，它可能有用。
- This will be useful in later design phases. 这样大家同时都能看到，这会对后面的设计阶段非常有用。
- Don't destroy that box--it may be useful. 别把那个盒子毁掉,它也许有用。
- Be useful to the people all your life. 活着就要做一个有益于人民的人。
- It would be useful to see certain work speeded up. 在一定程度上加速工作进程,将十分有益。
- Hope that this tool will be useful for Ya. 希望这个工具对你有用。
- A standing opaque beacon may be useful in addition. 此外，也可以使用常设的实体觇标。
- Animals can be useful to have around. 动物在周围,对人们有好处。
- John always tries to cultivate people who are useful to him. 约翰经常设法和对他有用的人结交。
- It can't be useful for you, it's for children only. 那对你不可能有用途,那是给孩子用的。
- Your spoon won't be useful for noodles. 你的勺子吃面条就没用了。
- Wait outside in case you can be useful. 在外面等, 也许你可以帮点忙。
