principle
名词 principle:
a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct
同义词:rule
a rule or standard especially of good behavior
a basic truth or law or assumption
a rule or law concerning a natural phenomenon or the function of a complex system
同义词:rule
rule of personal conduct
同义词:precept
(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)
同义词:rationale