without precedent in his history

例句：

1. 1.The company's decision to invest in a new technology was without precedent in its history.
   该公司决定投资新技术，这是在其历史上前所未有的。
2. 2.The project has never been attempted before, and it's without precedent in the industry.
   这个项目从未尝试过，在业界也没有先例。
3. 3. The company's decision to invest in a new technology was without precedent in its history.
   该公司决定投资新技术，这是在其历史上前所未有的。