Steppingstone
n. 踏脚石，达到目的的手段
🗣️ 情景例句
Sorry to trouble you, do you have these shirts in any other colors?
麻烦你了，你们有其他颜色的这种衬衫吗？
Not all butter that the cow yields.
母牛所产的未必全是黄油。
'I'm sheriff here.
“我是这里的司法长官。