Steppingstone
n. 踏脚石，达到目的的手段
🗣️ 情景例句
Young drivers are more likely to be involved in an accident.
年轻驾驶员更容易出事。
Everybody recognizes her ability.
人人都认定她的才能。
She is standing in the front of the bus.
她站在公共汽车的前部。