why should i spend mine when i can spend yours some mistake us for

why should i spend mine when i can spend yours some mistake us for
why should i spend mine when i can spend yours some mistake us for

why should i spend mine when i can spend yours some mistake us for
为什么要花我的(时间/金钱等),既然我能花你的,一些(观念/原则/思考方式等)误导我们→for something

其实句子怪怪的，好象没有写完整。
翻译：当我能用你的东西的时候为甚麽还要用我自己的呢？某些人把我们误认为是。。。