N-COUNT
(尤指认为并不正确或只是部分正确的)准则,原则,圭臬
You can use mantra to refer to a statement or a principle that people repeat very often because they think it is true, especially when you think that it not true or is only part of the truth.
例句
Listening to customers is now part of the mantra of new management in public services.
倾听顾客意见现在已成了公共事业机构每一届新管理层都会奉行的准则之一。