Optionality
n. 期权性风险
🗣️ 情景例句
She told Robbie that her flight tomorrow was canceled,
她告诉Robbie说 她明天的班机取消了
She is the boss in the house.
她是一家之主。
Most countries use these satellites to send and receive messages.
大多数国家利用这些卫星发送和接收消息。