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The Department for Environment, Food and Rural Affairs said: "Our chalk streams are one of Britain's most nature rich habitats and are embedded in our plans to reform the water industry.
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"My grandson is devastated," he said, "but we've resigned ourselves to the fact that we've got to go".
// 易错点3:升序排序 → 逻辑完全错误(无法保证"后车不超车"的前提)
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