Oughtness
有义务的状态
🗣️ 情景例句
Michelle is very grown up for a ten-year-old, huh?
以一个十岁的孩子来说 Michelle很成熟 ，是吗？
Please make an appointment with my secretary.
请跟我秘书定个见面时间。
Thank you for your advice.
谢谢你的建议。