head start
noun [ C usually singular ] uk/ˌhed ˈstɑːt/ us/ˌhed ˈstɑːrt/
（竞赛或赛跑等中）先起步的优势
an advantage that someone has over other people in something such as a competition or race
You've got a head start over/on others trying to get the job because you've got relevant work experience. 你比其他求职者有优势，因为你有相关的工作经验。