This cushion of value is important because it gives you a buffer against unexpected calamities — as well as the much more mundane problem of being overly optimistic. (theglobeandmail.com)
How can you keep yourself and your property safe against from unexpected calamities? (effectivecoverage.com)
Moving the deadline back would help teams that are a) ostensibly in win - now mode, but b) had a disappointing season because of injuries or other unexpected calamities. (sbnation.com)