design和designed区别

design和designed都是设计的意思，区别是前者是一个动词原形，后者则是一个动词过去式，做形容词，区别可以从以下例子看出：

We have to design a better product package, as the designed one is not good enough. 我们必须设计一个更好的产品包装，因为设计的产品包装不够好。