A scholar, even without leaving home, can know all the affairs happening in the world, implying that extensive knowledge and access to information allow one to understand distant events without direct experience.
现代社会信息发达，很多年轻人虽然不常出门，却也能“秀才不出门，全知天下事”，通过网络了解全球动态。
In modern society with advanced information, many young people, even without often going out, can still 'know all affairs under heaven without leaving home' by understanding global developments through the internet.
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