const output = Stream.pull(source, toUpperCase);
经济增长既需要生产要素的积累，也要依托全要素生产率持续提高。提升全要素生产率，关键在于促进各类先进要素向发展新质生产力集聚。
，更多细节参见旺商聊官方下载
Олег Давыдов (Редактор отдела «Интернет и СМИ»)
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