It used to be a huge pain to produce a physical journal—someone had to operate the printing presses, lick the stamps, and mail the copies all over the world. Unsurprisingly, academics didn’t care much about doing those things. When government money started flowing into universities post-World War II and the number of articles exploded, private companies were like, “Hey, why don’t we take these journals off your hands—you keep doing the scientific stuff and we’ll handle all the boring stuff.” And the academics were like “Sounds good, we’re sure this won’t have any unforeseen consequences.”
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Ушел из жизни известный писатель-фантастИзвестный писатель-фантаст Дэн Симмонс ушел из жизни в возрасте 77 лет
04、从“它经济”到“我经济”在不确定的生活中，宠物给人类提供了一种稀缺的关系稳定性；对宠物好，其实也是在治愈那个长期承受压力、缺乏情绪出口的自己。因此，如今的宠物消费，更多是在给“我”的情绪价值买单。
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