[]　

n. 梯, 梯状物, 发迹的途径
vi. 袜子抽丝, 成名
【电】 梯形

The world is a ladder for some to go up

and others to go down.

世界好似一把梯，有人上去有人下。

ladder stay ladder fire urinary ladder bubble ladder folding ladder ladder-proof ladder road ladder snake rolling ladder ladder bracing manhole ladder loft ladder cost ladder ladder scaffolding ladder marking ladder stitch companion ladder ladder polymer up-ladder Fixed ladder