Backwardation
n. 延期交割费\\n[经] (证券)交割延期费
🗣️ 情景例句
Morning, Grandpa.
早安， 爷爷。
Which one is more expensive?
哪一个是比较贵的？
It's our favourite subject of conversation.
天气是我们最喜欢谈论的话题。