在某事上花费用英文怎么说

英语中通常用 "spend" 或 "invest" 表示在某事上花费金钱，其中 "spend" 更常用。

"Spend" 的来源：英语中的 "spend" 来自古法语 "spendere"，意为"花费"、"消耗"。

例句：

I spent a lot of money on buying a new car. (我花了很多钱买了一辆新车。)
She spends a lot of money on clothes every month. (她每个月都在衣服上花很多钱。)
They spent a fortune on their wedding. (他们在他们的婚礼上花了一大笔钱。)

"Invest" 的来源：英语中的 "invest" 来自拉丁语 "investire"，意为"投资"、"把钱放进去以获得收益"。

例句：

He invested a lot of money in the stock market. (他在股票市场上投入了很多钱。)
She invested a lot of time and energy in her work. (她在工作上投入了大量的时间和精力。)
They invested a lot of money in starting their own business. (他们投入了大量的资金开创自己的生意。)