We stepped down the stair.

我们走下楼梯。

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Just as the Prince was about to leave, Ella came down the stair - case.

就在王子要离开的那一刻，艾拉从楼梯上走了下来。

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Why trying squeeze a stair to some death corner just for the function of moving up and down only while leaving all other issues such as moving up an oversize furniture ?

为什么要尝试挤压像楼梯道一般的比较阴暗的角落，而这只是为了解决上下移动这个功能却遗留了像是移动大规格家具而产生的那些问题？

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At home, make extra trips up and down the stairs doing laundry, getting the mail or taking in groceries. 15 minutes of stair climbing will burn about 100 calories, while strengthening your calves.

FORBES: Here Are Some 100-Calorie Workouts For Your Work Day