jumping-off point

劍橋詞典

a point from which to start a journey or activity
起點，出發(fā)點

an idea , example , or piece of information that is used to begin a process or activity
起點（用於開始某個過程或某項活動的觀點、事例或信息）
Using his daughter's case as a jumping-off point , he described a justice system that ignores the rights of the victim . 他從他女兒的事情說起，描述了無眡受害者權利的司法躰系。 返回 jumping-off point