She got an email from an administrator last year, warning teachers to be careful in how they present the discussion of the violence.

去年，她收到了一位行政人员的电子邮件，警告老师们在讲述这起暴力事件的方式上要小心。

I mention this again in the middle of our present discussion so that you do not feel lost, or negated, or insignificant.

我在我们目前的讨论中再​​次提到这一点，这样你就不会感到迷茫、被否定或无足轻重。