Backtracking operation
[计] 回溯操作, 向后追踪操作
🧩 词语组成解析
[计] 回溯法
🗣️ 情景例句
No problem. I'm glad to help.
小事情，我很高兴这样做。
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
She was sentimentally attached to this house,
她对这幢房子在感情上难舍难分。