📝 原句
Some students earn some extra cash from part-time jobs.
学生们可以通过兼职工作赚到一些零用钱。
🔍 一、核心结构拆解
⭐ 核心句型
A earn some extra money from B
A 从 B 处赚取额外收入
📌 结构分析
- Some students = 主语
- earn = 动词（赚取）
- some extra cash = 宾语
- from part-time jobs = 介词短语作来源状语
🔄 二、词汇升级替换（雅思6.5→7+）
1️⃣ “some students” 升级
- a proportion of students
- a considerable number of students
- many undergraduates
2️⃣ “earn” 升级
- obtain
- generate
- make
3️⃣ “extra cash” 升级
- additional income
- supplementary income
- pocket money
📌 注：
extra cash = pocket money = supplementary income
✨ 三、升级版本示范
✅ 6.5分表达
Many students earn extra income from part-time employment.
✅ 7分表达
A considerable number of students generate supplementary income through part-time work.
✅ 7.5+ 学术表达
A growing proportion of undergraduates obtain additional income by engaging in part-time employment.
🎯 四、写作扩展（变复杂句）
① 加原因
Many students take up part-time jobs in order to earn additional income.
② 加结果
By working part-time, students are able to support themselves financially.
③ 加让步
Although part-time jobs can be time-consuming, they allow students to earn extra income.
🚀 五、可直接用于雅思大作文段落
Working part-time has become increasingly common among students, as it enables them to generate supplementary income and reduce their financial burden.
这句话可以直接放进：
- 教育类话题
- 工作类话题
- 是否应该兼职的讨论类题目
