(walk-tree target (+ 1 depth))
相较于国外苹果与三星的相爱相杀，国内的氛围显得焦灼很多，小米、荣耀与 OV 四家都在接下来一到两个月中有新想法、新动作。，更多细节参见爱思助手
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.，更多细节参见PDF资料
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