At that rate, it will take 138 years for the registry to become truly useful.

The school, thus improved, became in time a truly useful and noble institution.

What does a computer need to be truly useful?

Without a blueprint for what we are trying to accomplish, a truly useful system will be impossible to build.

I would have been truly useful in any of those places.

"I always take the essential part of religion and culture - what is truly useful in our daily live."

One critic commented, "it does not give enough specific information to be truly useful".

It's going to need quite a bit of time to prove itself truly useful to all the parties involved.

But big customers say that the computer still lacks software needed to make it truly useful.

Moreover, to be truly useful these data must be correct.