“At a time when native-population growth is slowing due to persistently low fertility rates, declining immigration is poised to weigh heavily on labor supply, debt sustainability, and long-term economic growth, with negative effects likely to emerge even in the near term,” researchers at the Deloitte Global Economics Research Center wrote in an analysis published Friday.
siftDown(arr, n, largest); // 递归下沉
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He has now also called for a trial to compare weight-loss injections with bariatric surgery, where the size of the stomach is restricted to reduce appetite.