exception that proves the rule
演变路径（由近及远）
- 英语
- 源自 ←拉丁语
词源说明
Derived from the medieval Latin legal principle "exceptio probat regulam in casibus non exceptis" ("the exception tests the rule in the cases not excepted").
释义（英文）
名词 Noun
- The rare occurrence of a counterexample to a rule, used to demonstrate that the rule exists.