There would be a natural risk attached to the handling of so large an amount.

Illicit diversion was a natural risk.

Allowing the rats to live longer may have been a better way to assess the natural risk of cancer, he said.

Some people are natural risk-takers -willing to join a start-up ,takea job they're passionate about, hire a not-quite-perfectcandidate with potential.

But they are perfectly natural risks, and I have more than an even chance.