the poor man's somethingused to say that something can be used for the same purpose as something else, and is much cheaper 便宜的代用品 Herring is the poor man’s salmon. 鲱鱼算是穷人的三文鱼。
the poor man’s something• No one could have been more sympathetic to the detail of the poor man's need, or more capable of vicarious imagination.
→ the poor man’s something at poor(4)