But a few experts wondered if there was a better use of everyone's time.

But, some experts wonder, whether standards are now just too high, at least for the preschool set.

And some experts wonder whether the industry's top executives will have the resolve to make the changes.

The experts wondered why the new set of promises should be different.

Some experts wonder if the industry's efforts will create more trouble for it than ever.

But even then, he said, experts wondered whether one standard was adequate.

People ask me and experts wonder, how did this change take place?

But many experts wonder if that is the right lesson.

But some experts wonder whether a separate living situation is really such a good idea.

Even so, some experts wonder whether the deal is a smart one.