中东战火急，特朗普G7半途开溜！留峰会一地鸡毛！#热点新闻事件 ...

以伊之战，恐怕一时难以平息，专家：伊朗可用的战略筹码极为有限 ...

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从15世纪哥伦布发现新大陆，到19世纪蒸汽船连通大西洋，马尔萨斯式移民完成了人类历史上最大规模的跨洲人口再分配。文章发现高生育率驱动下的移民浪潮是欧洲跳出低水平均衡陷阱的关键，这启示我们人口流动不仅是突破资源桎梏的生存本能，也是推动经济转型的重要因素 ...

Notice: The content above (including the videos, pictures and audios if any) is uploaded and posted by the user of Dafeng Hao, which is a social media platform and merely provides information storage ...