If the agency needs only to make an approximation of the relevant facts, or can support a finding on the basis of a few documented instances, then hearsay evidence may be adequate.

• 如果行政机关只需对相关的事实作出粗略的分析，或能够在用文件就证明的若干事例的基础上支持某一认定结果，那么传闻证据就是充分足够的。