Oughtness
有义务的状态
🗣️ 情景例句
Thank you, everyone. See you next week.
谢谢大家。下星期见。
No man can make a good coat with bad cloth.
巧匠难以劣布制美服。
So there were many people in the doctor's waiting room.
所以医生的候诊室里有很多人。