While most sightings turn out to be nothing more sinister than house cats, some are harder to explain.

BBC: Isle of the tiger

Local authorities told the BBC they had nothing to say when asked to explain what had taken place, and waited more than 24 hours to confirm the details.

BBC: Police outside a school in Nanping, Fujian (23 March 2010)

As he grew older, however, he became more convinced that science could do little or nothing to explain the world of spirituality.

ECONOMIST: Richard Smalley

Nothing is more natural nor common than first to use a general phrase, and then to explain and qualify it by a recital of particulars.

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Or, in my example, a small business owner who wants to explain how the fiscal cliff is affecting his business to 500 people who have nothing more exciting to do than listen to him on a weekday afternoon.

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