The most crucial is to obtain evidence here.

这里最关键的是取证。

youdao

It is difficult to obtain reliable evidence.

很难获得可靠的证据。

《新英汉大辞典》

Blackett was almost the first to obtain hard evidence.

布莱克特几乎是第一个发现有力证据的人。

youdao

Blackett was almost the first to obtain hard evidence.

布莱克特几乎是第一个发现有力证据的人。

youdao