Oughtness
有义务的状态
🗣️ 情景例句
Here are the X-rays you wanted, Dr. Stewart.
这是你要的X光片，Stewart医师。
We shouldn't have any trouble if the traffic isn't to heavy.
如果交通不太拥挤的话，我们不会有什么困难。
Where does Li Lei sit?
李磊坐在哪里？