They saw in us something useful for the moment.
It's safe to say much of that tech would likely be something useful for us eventually on Earth, as well.
That's something useful for them.
"I wanted something useful for the soldiers," he said.
Yes, Emmanuel Adebayor really did do something useful for Tottenham last night.
I never thought I'd find myself writing this, but the Daily Mail has finally done something useful for society.
Or even a concept that I can work on with computer coders to create something useful for presenting local news?
Many people have said, for example, that exercise helps, as does doing something useful for someone else.
"If you want to do something useful for conservation here, there's no point talking to people about wildlife conservation.
The Act must be doing something useful for employees though, because employers are already complaining about it.
Quite simply, I wanted to do something useful for the world, and studying medicine seemed a good starting place.
