[] ( 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。