That data, he said, had proved important over the last few years.

It's something you can only test out in the real world and have its security proven over time.

And that will continue to be proven true over the next 10 years.

It is certain changes that prove necessary over the years.

We must look at when and where investment has proved successful over the past six or eight years.

If theory is proven over course of time, they are to make it into a law.

That point had been well proven over the past turns.

The reason is an improved computer model, which has proved its worth over the last three years.

There were other findings that could prove important over the final weeks of the campaign.

But keep this in mind: Both teams proved themselves over a full season.