"I want to do something useful," he said.
“我想做一些有用的事儿，”他说。
I want to do something useful with my life.
我想毕生做些有益的事。
They may happen to do something useful.
语言学家可能恰好做了某件有用的事情。
Please stop hanging about and do something useful.
请停止闲逛而做些有益的事。
If he will do something useful, he will save the boy.
如果他愿意做些有益的事，他会就本推网这个男孩的。
Don't moon about and do something useful for a change!
别闲荡了，改变一下，做点有用的事吧！
We should learn from them to use wind to do something useful.
我们应该向他们学习利用风来做些有用的事情。
It's time that we must do something useful to protect our environment.
是我们必须做一些有用的事情来保护我们的环境的时候了。
Someday, somehow, I am going to do something useful... something for people.
总有一天，我要以某种方式做一点有意义的事……。为民众做一点有意义的事。
Since others study much harder, I must do something useful to maintain my grades.
由于很多同学学习更加刻苦，我必须通过一些有效的方法保持我的成绩。
But what if you want to do something more useful with the HTTP response?
但是，如果希望对HTTP响应执行一些更有用的操作，该怎么办呢？
Can't you find something useful to do?
难道你就不能找点有益的事做吗？
Now we'll do something a little more useful.
现在我们做一些稍微实用的事情。
Try to find something useful to do.
尽量找些有意义的事情做。
Try to find something useful to do.
尽量找些有意义的事情做。
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