spend…on sth 用法详解
在英语学习中，“spend…on sth” 是一个非常常见的结构，用于表达“在某事上花费（时间、金钱等）”。本文将详细讲解其用法、结构、例句以及常见误区。
一、基本结构
主语 + spend + 时间/金钱 + on + 名词
- I spent $50 on books.
- She spends two hours on homework every day.
二、常见搭配
- spend money on sth：花钱买某物
- spend time on sth：花时间做某事
- spend energy on sth：在某事上耗费精力
三、注意事项
- “spend” 后面不能直接跟不定式（to do），正确结构是 “spend time/money (in) doing sth”，但更常用的是 “on + 名词”。
- “spend” 是及物动词，必须有宾语（时间或金钱）。
- 不要与 “cost” 或 “take” 混淆。例如：
- It cost me $20. ✅
- It took me an hour. ✅
- I spent an hour on it. ✅
四、实用例句
- He spent all his savings on a new car.
- We shouldn’t spend too much time on social media.
- They spent a lot of effort on the project.