Optionality
n. 期权性风险
🗣️ 情景例句
Thanks, Grandpa. Please sit down.
谢谢你， 爷爷。请坐。
Are you going to have dinner at home tomorrow night?
你明天晚上在家吃晚饭吗？
Our clavichord is kept in the living room.
我们的这架古钢琴存放在起居室里。