1. 原则;规划;方案
    A formula is a plan that is invented in order to deal with a particular problem.

    e.g. It is difficult to imagine how the North and South could ever agree on a formula to unify the divided peninsula.
           很难想象南北双方在统一半岛的方案上究竟怎样才能达成一致。
    e.g. ...a peace formula.
           和平方案

2. 方案;方法
    A formula for a particular situation, usually a good one, is a course of action or a combination of actions that is certain or likely to result in that situation.

    e.g. After he was officially pronounced the world's oldest man, he offered this simple formula for a long and happy life...
           在他被正式宣布为世界上最年长的人后，他给出了这样一个简单的快乐长寿的秘诀。
    e.g. Clever exploitation of the latest technology would be a sure formula for success...
           对最新技术的灵活利用必将带来成功。

3. 公式;方程式
    A formula is a group of letters, numbers, or other symbols which represents a scientific or mathematical rule.

    e.g. He developed a mathematical formula describing the distances of the planets from the Sun.
           他研究出了一个用于计算行星与太阳之间距离的数学公式。

4. 分子式;结构式
    In science, the formula for a substance is a list of the amounts of various substances which make up that substance, or an indication of the atoms that it is composed of.

5. (赛车的)级，方程式
    Formula is used followed by a number to indicate a particular type of racing car or something relating to that type of car.

    e.g. ...Formula 1 racing cars.
           一级方程式赛车
    e.g. ...Formula 3000 racing.
           方程式 3000 赛车

6. 配方奶;代乳品
    Formula is a powder which you mix with water to make artificial milk for babies.

    e.g. ...bottles of formula.
           几瓶配方奶