这个软件比之前的版本好用得多。

This software is much friendlier than the previous version.

《牛津词典》

她把自己之前的最佳纪录缩短了两秒。

She clipped two seconds off her previous best time.

《牛津词典》

在大选之前的过渡阶段由副总统执政。

The vice-president took power in the interim period before the election.

《牛津词典》

What was neat about it is before that time, the predominant species to use for air conditioning or refrigeration was ammonia.

在这之前是很整洁的，之前最主要的用于空调或者冰箱的,物质是氨。

麻省理工公开课 - 固态化学导论课程节选

Because I think our education system, pre-college is generally not great in sort of the world scale.

因为我觉得我们的教育系统，大学之前的教育在世界范围内并不是最好的。

优秀的MBA人们 - SpeakingMax英语口语达人

And he has a theory about early life and perfectly appropriate as far as one can tell of what pre-human form he studied.

他有一个有关早期生命的理论,一般人都会觉得很正常,他研究人类之前的生命形式没有什么不合适。

普林斯顿公开课 - 人性课程节选