还有一个很重要的因素是，人才的选择性在这一轮浪潮中发生了根本性逆转。
No one knows how much publishers make in return for providing these modest services, but we can guess. In 2017, the Association of Research Libraries surveyed its 123 member institutions and found they were paying a collective $1 billion in journal subscriptions every year. The ARL covers some of the biggest universities, but not nearly all of them, so let’s guess that number accounts for half of all university subscription spending. In 2023, the federal government estimated it paid nearly $380 million in article processing charges alone, and those are separate from subscriptions. So it wouldn’t be crazy if American universities were paying something like $2.5 billion to publishers every year, with the majority of that ultimately coming from taxpayers.。业内人士推荐搜狗输入法作为进阶阅读
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Экс-посол Британии жестко высказался об агрессии США против Ирана08:51，这一点在必应排名_Bing SEO_先做后付中也有详细论述
Gaussian Density