So what was once a vanishingly rare event becomes a rare one, then a common one.
But considering how rare a disaster like this is, especially in comparison to car crashes, it raises the question, which mode of transportation is truly the safest?
"Leprosy is a rare disease and will remain a rare disease, " he says.
Jackson's exit created a rare opening in a district where he was first elected in 1995.
Moore is a rare case: A sports CEO who wants athletes to have more bargaining power.
WSJ: Larry Ellison, Indian Wells: Tennis Argues Over Free Money
That's a rare example of a country domain being owned by someone from that country.
In 1981 he addressed the Russian party congress, a rare honour for a foreigner.
The men and women in today's Senate have a rare privilege and a special opportunity.
He is a rare example of a convicted chaebol chairman who spends time behind bars.
My first full day spent wearing Glass would be a rare one: a full day working at home.
ENGADGET: Living with Google Glass, Day Two: Around the House
The incident is a rare moment when a dispute between the two countries has flared into public view.
It is a rare occasion when a president can sign a bill he knows will save American lives.
The reason is that 3PAR is a rare player in a high-end storage market dominated by Hitachi and EMC.
Wealthy suburbanites hardly ever venture into Detroit, save to make a rare trip to a concert or the museum.
Valuation is very high today, which could handicap returns unless it becomes a rare outlier (a possibility given the story).
FORBES: Biotech's Capital Intensity Challenge: A Post-Mortem on 2007's Biggest Deals
As a rare example of a big Asian economy with a current-account deficit, it cherishes its role as honest broker.
The decision to send women to the Games was a rare concession in a kingdom where they are banned from driving.
In a rare move for a pope, Francis spontaneously walked out from Vatican territory to greet cheering well-wishers outside Sant'Anna Gate.
The "pop" she felt in her neck the day before was her carotid artery tearing, a rare event called a carotid dissection.
Russell Duncan then fired a speculative long-range effort wide of the post, but it was a rare chance in a quiet opening spell.
Campbell failed to re-appear for the second half, handing youngster Sebastian Larsson a rare start and a further reshuffle to the Arsenal defence.
Eritrea is a rare instance of a country that has, since 1993, imposed a tax of 2% of annual income on its expatriates.
That "Undefeated" is being released in theaters a rare thing for a documentary and one with an Oscar nomination to boot says a lot about it.
It was a rare highlight in a dour first half - although James was also called into action to keep Pompey level as Fulham pressed.
He calls Apple a rare example of a consumer-focused business with high switching costs because customers are attached to its music, photo and other applications.
WSJ: Upside: Why Tech Stocks Look Better��Even for the Risk Averse
The decision followed a lengthy and bitter behind-the-scenes struggle among the Justices that produced both secret unpublished opinions and a rare reargument of a case.
The rescue of a rare bird from a "ferociously burning" reed bed has been described as being "like a scene from Thunderbirds" by a wildlife trust.
Ever since I first laid eyes on the young prodigy from Tasmania, it was apparent he had a rare gift with a cricket bat in his hand.
It is a rare opportunity for a young boy to gain first-hand knowledge of the geography and geopolitics of a region that often leads the news headlines.
Northampton squandered a rare sniff of a try when Dylan Hartley was held up just short of the line after he charged down a Tomas O'Leary clearance.
应用推荐