优化：随机选基准避免最坏情况 O(n²)
James Winslade, a beef and arable farmer from Somerset, has seen more than 90% of his farm submerged in the recent rains, and said he is days away from losing his crops to rot.
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Dominic Ethan Stewart was among 19 killed when vehicle veered off road and plunged down mountainside
Zoe Langley-Wathen, 54 , and Mike Langley, 73, aim to raise £10,000 for Dorset and Somerset Air Ambulance over their 7,300-mile (1,1748 km) journey.