Steppingstone
n. 踏脚石，达到目的的手段
🗣️ 情景例句
I will, but I'll probably call too.
我会写的，我或许也会打电话。
Never cackle till your egg is laid.
事竟成，才声张。
Have they ever been there before?
他们以前去过那儿吗？