spend twice as much,but half as much 怎么翻译,不要机器的!

spend twice as much,but half as much 怎么翻译,不要机器的!
spend twice as much,but half as much 怎么翻译,不要机器的!

spend twice as much,but half as much 怎么翻译,不要机器的!
多花了一倍的精力,但是得到的只有一半的效果.
或者说事倍功半这个成语更好