At this most basic of levels, laughter remains a complicated business.

But that's just the first part of a more complicated business.

"At this point it's being run by volunteers in what is a complicated business."

Setting it up is a very complicated business, as you have seen.

It has been an exceedingly difficult and most complicated business.

But there is no royal road among this complicated business.

At her age, that was a complicated and lengthy business.

And suddenly she knew the answer to the whole complicated business.

One thing about which everybody agrees is that running a town has become an increasingly complicated business.

It was a complicated business, almost like a combination on a safe.