The old warehouse walls began to crumble, so the shipping company moved its inventory.

舊倉庫的牆壁開始崩塌，因此貨運公司把庫存移走了。

Several boxes arrived damaged because the cheap packaging foam crumbled during transport.

好幾個箱子送達時已損壞，因為廉價的包裝泡棉在運送途中碎裂了。

Investors worried that the startup's plans would crumble after its main client canceled the contract.

主要客戶取消合約後，投資人擔心這家新創公司的計畫會瓦解。