Researchers presented volunteers with a number of different scenarios .

研究人员招募了一些志愿者来演出不同情节。

You don 't usually impose tasks or scenarios on the user .

通常不会强加任务或是什么情节给用户。

Scientists had 40 volunteers read various scenarios .

科学家让40个志愿者阅读各种不同的剧本。

Imagine the range of relevant possibilities that may unfold . Develop likely scenarios and their implications .

想象会出现的相关可能性的范围，设想可能发展的情节以及它们的暗示。

With the potential scenarios , figure out what you can reasonably prepare for , just in case .

为了以防万一，根据可能发生的潜在情节，设计出你可以合理地做的准备。