Something had indeed happened in the period in ques-tion.

在讨论问题的时期内确实发生了一些事情。

In some cases, the audit details are insufficient for answering key forensic ques-tions.

在某些情形下，审计的细节不够解答关键取证问题。

The most ordinary things contain a whole lifetime of ques tions, if only we are reminded to start asking them.

最普通不过的事情往往蕴藏着一生的疑问，只要有人提醒我们开始质疑这些事情。