就要向后退两
We have to go back two times
以上为机器翻译结果，长、整句建议使用 人工翻译 。
一个冬天的早晨，一名雇员解释他为什么迟到了45分钟才来上班。“外面太滑了，我每向前走一步，就要向后退两步。”
One winter morning, an employee explained why he had shown up for work 45 minutes late, "It was so slippery out that for every step I took ahead, I slipped back two."
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