"花费金钱" 用英语可以说成 "spend money"。
其中，"spend" 是英语动词，意思是 "花费，消费"。它来自古英语 "spendan"，意思是 "消耗，支出"。
例句：
I spent a lot of money on my vacation. (我在度假上花了很多钱。)
He spends too much money on clothes. (他在衣服上花钱太多了。)
They are trying to spend less money on entertainment. (他们正在努力减少娱乐上的花费。)