if (right - left <= 1) return; // 只有一个元素，无需排序
居民委员会应当及时公布下列事项，接受居民的监督：
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Given the uncertainties around the potential number of claims, an expert has questioned why the NHS didn't choose a contract that would have allowed it to "review the situation" once more reliable data was available.
design awards over their years, and they were really very handsome machines.
But questions remain about how realistic the goal and timeframe are, given recent and steep Nasa budget cuts, and some scientists are concerned that the plans are driven by geopolitical goals.