For those organizations that rely on voluntary contributions for all or most of their income, it is common to distinguish between core and non-core resources, even though different terminology may be used in the documents of individual organizations.
对那些全部或大部分收入都是依靠自愿捐款的组织而言，一般分为核心资源和非核心资源，不过各组织文件中具体使用的术语可能有所不同。