head start 的音标为 /ˌhed ˈstɑːt/（英式）和 /ˌhed ˈstɑːrt/（美式），核心含义是“在竞争、任务或进程中比他人提前获得的优势”，既可指时间上的领先，也可指基础或资源上的优势。这一短语广泛用于教育、商业、竞赛等场景，强调“起步阶段的先发优势”。
基本结构：通常以 a head start 形式出现，后接 on/over sb/sth 表示比较对象。
例：Being able to speak French gave her a head start over the other candidates（会说法语让她比其他候选人更有优势）。
常见搭配：
动词搭配：get/have/give sb a head start（获得/拥有/给予优势）
First the foxes get ten minutes head start（狐狸队先出发10分钟）。
介词搭配：a head start in life（人生起步优势）、a head start on the project（项目先发优势）。
专有名词：首字母大写时特指美国的 Head Start（开端计划），这是一项针对低收入家庭儿童的学前教育项目，旨在通过早期教育缩小教育差距。
例：Graduates of Head Start programs have better future school grades（参与开端计划的儿童未来学业成绩更优）。
良好的教育能让孩子赢在人生起跑线：A good education gives your child a head start in life。
提前准备考试的优势：By studying a month early, she had a head start on her classmates。
商业竞争中的先发优势：China had a head start in 5G technology and maintained its lead。
项目启动的领先：The team’s early research gave them a head start on the project。
竞赛中的时间优势：Even with his head start, she caught up with him in the race。
技能带来的优势：His legal training gave him a head start, and money soon started rolling in（法律背景让他占得先机，收入随之而来）。
教育项目的影响：Early Head Start helps low-income infants develop basic skills。
避免错误的优势：Avoiding processed foods gives you a head start on a healthy diet。
职业起步的关键：Picking the right college major can give you a head start in your career。
技术领域的领先：Apple’s head start in smartphones made it hard for competitors to catch up。
| 短语 | 含义 | 例句 |
|---|---|---|
| head start program | 开端计划（美国学前教育项目） | The head start program prepares 3-5 year-olds for school |
| get a head start | 获得先发优势 | Start planning now to get a head start on your taxes |
| early head start | 早期开端计划（针对婴儿） | Early Head Start focuses on children under 3 |
无论是个人发展还是社会政策，“head start” 都揭示了“起点优势”对结果的深远影响。你认为哪些领域的“先发优势”最难以被超越？