The United Nations includes non-core contributions in its estimates because it considers that the purpose of both core and non-core Government contributions to the United Nations system is to support its operational activities.
3. 联合国的估计数包含非核心捐款，因为联合国认为各国政府提供给联合国系统的核心和非核心捐款都是为了支持联合国的业务活动。