I Kept Stepping Back 我一直退一步
back-stepping 反步法
back-stepping design 后退设计
back-stepping calibration 回推标定
back-stepping design method 递推设计方法
Going into the hotel is like stepping back in time.
走进这家旅馆就像是回到了过去。
The country is stepping back from the edge of an abyss.
该国临渊而退。
And it's an interesting sight. Just remember — stepping back.
这是一个很有趣的画面,但我们要退后一步想。
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