Undertrick
n. [牌]宕墩(指庄家未能完成定约时所宕掉的牌墩)
🗣️ 情景例句
Many shopping malls and supermarkets can deliver goods straight to your door.
许多购物中心和超市提供免费送货上门服务。
There's no such thing as a free lunch.
天下没有白吃的午餐。
So one's circle of friends grows.
朋友的圈子就这样不断扩大。