惯例的用英语怎么说？

惯例的

• prescriptive，traditional，[经] conventional，traditionary，usual

例句

• A surgery conformed to standard practice is not medical malpractice. 遵守标准惯例的手术不能算作医疗事故.

英汉词典释义

• prescriptive; traditional; traditionary; wonted
  [经] conventional; traditional