Backtracking
[计] 回溯法
🗣️ 情景例句
Why can't I design dresses for you here at home?
为什么我不能在家里为你设计服装呢？
There are four quarters in every dollar.
每美元有四个二角五分。
Hi,Carl. Have you ordered yet?
嗨，卡尔，你点菜了吗？