The occasional author who is not affiliated with an institution or company, and who has no research sponsor, could be exempted from page charges, with costs levied on institution-based authors.
偶有作者不隶属于某个机构或公司，也没有研究赞助者，可以免除页面收费——只向隶属某机构的作者收费。
The occasional author who is not affiliated with an institution or company, and who has no research sponsor, could be exempted from page charges, with costs levied on institution-based authors.
偶有作者不隶属于某个机构或公司，也没有研究赞助者，可以免除页面收费——只向隶属某机构的作者收费。
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