这次公司合并最终以彻底失败告终，双方都损失了数百万。

The company merger ended in a complete ___debacle with both sides losing millions.

由于系统崩溃，整个项目陷入了一片混乱。

The project turned into a ___debacle after the system crashed.

公司的产品发布会变成了一场彻底的惨败，观众纷纷提前离场。

The company's product launch turned into a complete ___debacle, with the audience leaving early.