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

只有掌握了一点，才能给个痕迹据添加据价值。

" But sometimes things are so transparency they don't need evidential proof" .

“但有时事情是如此透明，以至于不需要据明”。

There has to be a high level of evidential justification to deploy this type of technology and I just don't think it's there.

要部署术，必须要有高水平的据认，但我不认为会有。

And since much of the new tech invades personal privacy it should only be introduced with evidential justification – explanation of why it is the right thing to do, based on evidence.

而且，由于许多新术侵犯了个人隐私，些术的采用需要据认——基于据解释为什么做某件事是对的。

Skorzeny, ever a self-mythologizer, would claim in later years that the US authorities had been clandestinely involved in helping him escape, but there is no evidential basis for this assertion.

斯科尔兹尼曾经是一个自我神话者， 他在后来的几年里声称美国当局一直秘密参与帮助他逃跑，但种说法没有据依据。

Some pointed out how very difficult it is to tell the difference between a skillful attack using the electrical power and an ordinary heart attack, but these rumors were without any evidential foundation.

一些人指出，区熟练使用电力的攻击和普通的心脏病发作是多么困难，但些谣言没有任何据基础。