危机

例句：

1. 1.The country is facing a crisis in its economy.
   该国正面临经济危机。
2. 2. The company is facing a crisis due to the sudden drop in demand.
   由于需求的突然下降，公司正面临一场危机。
3. 3. The crisis has brought about significant changes in our daily lives.
   这场危机已经对我们的日常生活产生了重大影响。