General, you told me that we'd get something useful from this.

They want to get at least something useful from him.

And these things are extremely useful from a security standpoint.

"Since when do cats learn anything useful from their sense of smell?"

"I'm sure you've learned something useful from that case. "

Somebody else asked: "Did they learn anything useful from the submarine?"

"Were you able to tell anything useful from the scan?"

However, the technology holds vast potential for being useful 10 to 20 years from today, it added.

"I'll let you know if we learn anything that's useful from the witnesses."

It's going to be very useful from a research point of view.