"Now we need to act quickly to prevent the same thing from happening to us."

"We put a lot of things in place to prevent that from happening again."

The question now is, how can we prevent it from happening again?

What is being done to prevent it from happening again?

What can we do in fall to prevent the same thing from happening?

We're here to prevent this kind of thing from happening again.

We must try to prevent this from ever happening again.

This is particularly important to prevent such things from happening again.

That, I think, is something we must prevent from happening in the future.

How can we prevent this kind of thing from ever happening again?