if (right - left <= 1) return; // 只有一个元素，无需排序
Christine Cox MBE, from Wolverhampton, has been a campaigner around organ donation for more than 35 years.
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Ergonomic keyboards come in mechanical, membrane, and scissor switch versions. Which works best for you is, again, up to your preference. I won’t get too deep into the particulars here, as we have an entire guide devoted to the best mechanical boards, but the short of it is that membrane and scissor switches are less customizable than mechanical and typically cheaper. Typing on them tends to be quieter and softer. Mechanical switches are more customizable, offer a more responsive typing experience and are usually pricier.，更多细节参见同城约会
// 边界处理：nums1为空时直接返回空数组（避免后续无效计算）
"Our largest concern is aluminium and aluminium oxides interacting with the ozone layer," Wing says.