我们的项目总是一切从头开始，而非建构在之前完成的作品上。

Too often we start each project from scratch, instead of building on work we have done before.

youdao

在我开始回家之前，我要完成更多工作。

I'll get some more work done before I start back home.

youdao

我们那时仍然很有希望在最后期限之前完成目标。

We were still right on target for our deadline.

《柯林斯英汉双解大词典》

We were lucky to raise the first round of money before the Internet bubble burst.

幸运的是，我们在泡沫破灭之前,完成了第一轮融资。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

I'm generally pretty impressed by what the, what my classmates have gotten up to before they came to school here.

我的同学在入学之前已经完成的事情让我印象深刻。

优秀的MBA人们 - SpeakingMax英语口语达人

You may take on a long-term project and then die before you've been able to complete it; or alternatively, you may peak too soon and then continue to stick around in an anti-climactic way.

你可能承担了一个长期的项目,然后在你能完成之前就死了，或者，你可能太快达到人生高峰,然后继续在平淡中徘徊。

耶鲁公开课 - 死亡课程节选