Like detectives, they piece together evidence to fill in the gaps in the available records.

像侦探一样，他们要拼凑证据来填补现有记载中的一些空白。

Digital doubles are created by taking an individual's data from social media websites as well as publicly available records.

数字替身是通过从社交媒体网站和对外公开的记录中获取个人数据来创建的。

As the economy overheated in the late 1960s prognosticators were behind the curve, according to the Livingston survey, the best available record of their views.

利文斯顿专业预测调查（Livingston Survey）是迄今可得的对这些机构预测的最翔实记录，它显示在上世纪60年代后期经济过热时，它们的预警就滞后了。