Treadstone
n. 踏脚石（喻被人利用的计划、行动等）; 踏脚石 （语见电影<碟影重重>）
🗣️ 情景例句
What kind of payment terms can you offer?
您要什么样的付款方式？
I'm going to but two gallons.
我要买两加仑。
Certainly, Lily. What's wrong?
当然可以，Lily，怎么啦？