Backstepping
n. 逐步退焊法\\nv. 往后退（backstep的ing形式）
🗣️ 情景例句
and a decision to make.
而且必须做一个抉择。
The goods we offered last week are running out, therefore, the offer terminates on 20th July.
上周我们报价的货物现已售完，所以，此报价在7月20日终止。
At least sorting out the things she should have discarded years ago was now being made easier for her.
这样一来，她倒是容易将那些几年前就该扔掉的东西找出来了。