Please watch the top stair near the loading dock because it is slightly uneven.

請留意裝卸區附近最上面那一級台階，因為它有點不平。

The hotel porter carried our luggage up every stair since the elevator was broken.

因為電梯故障，飯店行李員把我們的行李一階一階搬上樓。

A visitor tripped on a loose stair, so the office manager called maintenance immediately.

一位訪客被一級鬆動的台階絆倒，所以辦公室經理立刻打電話給維修部門。