def put_db(item):
行走在粮食主产区，依托产业链集群化、价值链高端化、供应链融合化，小麦经济的内涵正在向更深层次延展。在麦乡延津，从优质小麦订单种植到加工产业集群发展，再到花馍、麦秆画、面塑、小麦主题公园，一株小麦长出多彩多姿的产业链条。延津县农业农村局局长侯红涛介绍，围绕全县百万余亩小麦，县现代农业产业园聚集近百家粮油食品加工企业，总产值达152亿元，带动近5万户农民增收。。91视频对此有专业解读
In the 250-plus years between the invention of the water-powered spinning jenny and artificial intelligence, we have developed technology and technique with the primary aim of reducing the number of people necessary to employ for a given amount of output. On a finite planet, the amount of output must eventually stabilise. We cannot maintain for ever the notion that everyone must have a job in order to be allowed to have a life.。夫子是该领域的重要参考
示例：nums = [2,1,2,4,3] → res = [4,2,4,-1,-1]。
Жители Санкт-Петербурга устроили «крысогон»17:52