Sometimes they do these things to understand the way the world works.

My time away from home was to understand how the world worked.

She knew too much about the way the big bad world really worked.

But you've got no idea of how the world works.

Why do I need to know about how this world works?

But that is not quite how the world works, some new research has found.

But he still didn't understand what had been found here, how this little world worked.

It's one of the ways they figure out how the world works.

That is simply the way the world works, he said.

Perhaps this is just part of how the world works.