名词短语
中文翻译：完全失效
同义词：
['complete failure', 'total loss例句：1. The new policy was a total flash-off for the company.（新政策对公司来说是彻底的失败。）']
例句：
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1. The new policy was a total flash-off for the company.
新政策对公司来说是彻底的失败。
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2. The machine had a total flash-off after just one use.
这台机器只用过一次就彻底失效了。
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3. The project was a total flash-off, and we had to start over from scratch.
这个项目彻底失败了，我们不得不从头开始。