be designed for和be designed to有什么区别
be designed for be designed to释义：释义： 为……所设计（designed是design的过去分词） 例句： It may be designed for linear or rotary motion. 它可是是设计成直线运动的或旋转运动的。 目的是；被设计用于做 例句： Each mirror is made to order and can be designed to almost any shape or size. 每面镜子都是定制做的...