Subgradient
次梯度
🗣️ 情景例句
I might as well take it along.
我还是一道带着。
I ask him to tell me everything he knew.
我要求他告诉我，他所知道的每件事情。
and comforted by the thought of the help he was bringing to his friend,
想到能对朋友有所帮助，他感到欣慰，