Only when we have an understanding of that, we can assign evidential value to that trace evidence.

只有掌握了这一点，才能给这个痕迹证据添加证据价值。

He told you about the pitted trace evidence.

他告诉了你弃用的痕迹证据。

He leaves behind no trace evidence.

身后没有留下任何可追查的证据。

It was the analysis of the trace evidence found on the victim's body.

是关于在受害者尸体上找到的证据的分析报告。

Yes, I think there is a very clear difference between DNA and all other forms of trace evidence and that would include perfume evidence.

对，我认为DNA和其他所有形式的痕迹证据都大有不同，其中就包括香水证据。