"They come up with a new explanation every time," he said.

They'll always be a new, more up-to-date explanation coming along a while later.

When the experimental conditions were altered, the teacher provided a new explanation of the change(s).

Now a new explanation is becoming popular - the high cost of capital - and like the others, it provides some useful insights.

At least his new explanation might clear her and laid guilt only on those already coated with it.

People who do not exercise enough may have a new explanation in the weather.

And every letter he got back had a new explanation.

But the new explanation wasn't much more satisfactory than the first.

"You thought up a new explanation for the phone records yet?"

What is the new explanation and why is it politically significant?