One often-touted purpose is a "try before you implement" capability.

经常提及的一个用途是，它能“进行执行前的尝试”。

youdao

Web deployment models empower customers to try before they buy with minimal risk and cost.

Web部署模型允许顾客在购买之前先试用，这样以来，就将顾客的风险和成本减到了最少。

youdao

Don't dismiss things out of hand. Be willing to give things a try before discounting them.

不要马上否决事情，在评价前先试一试。

youdao

Doing this before arrival would give port officials time to try to identify suspicious activities.

VOA: special.2009.02.10

One tip about this, try to identify all the dominated strategies of all players before you delete, then delete.

这里有一个窍门,在剔除之前试着找出,所有参与人的劣势策略,然后再剔除它们

耶鲁公开课 - 博弈论课程节选

Before I do that though, let me try and give you an analogy to keep this in mind of why we want to basically build these abstractions and what we need in order to have them work together.

在我们看例子之前请让我打个比方,以便你们能记住我们,为什么要建立这些抽象,以及要使它们协调工作,我们需要做些什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

Smith and full-back Luke Patten orchestrated Gibson's try before Stefan Ratchford claimed the goal.

BBC: Salford City Reds 16-32 Wigan Warriors

Australia then reminded the Sydney crowd who was boss with a try before the break.

BBC: Australia 52-0 Fiji

Andrews added another Hornets try before Maurie Fa'asavalu and Wilkin finished off the try-scoring.

BBC: St Helens 70-10 Rochdale