Subgradient
次梯度
🗣️ 情景例句
And the Levinsons thank you for bringing their dog to us.
Levinson夫妇也谢谢你把他们的狗送来。
To make up to mother
受母亲宠爱
Don't remind him. It was nothing.
不要向他提起这件事了。那是微不足道的。