股市崩盘时，许多投资者破产了。

Many investors were ruined when the stock market ___crashed.

如果金融市场崩盘，可能导致严重的经济衰退。

If the financial market ___crashes, it can lead to a severe economic downturn.

市场意外崩盘，导致交易员恐慌。

The market ___crashed unexpectedly, causing panic among traders.