[] ( formulasor, especially in scientific use,formulae/ˈfɔːmjəliː; NAmEˈfɔːrm-/) () a series of letters, numbers or symbols that represent a rule or law公式；方程式◆They use complex mathematical formulas to calculate the insurance premium.他们使用复杂的数学公式来计算保费。a particular method of doing or achieving sth方法；方案◆There's no simple formula for the success of a business.企业的成功没有简单的方法可循。golden formula