translation.en: And I think we have to go back to what happened in the post-War era, post-World War II, when the nuclear scientists who'd been involved in making the atomic bomb, in many cases were concerned that they should do all they could to alert the world to the dangers.
translation.zh: 在这里让我们回顾一下战后发生的事情， 在二战后，当那些参与研制 原子弹的科学家们 一直关切地认为他们应该尽其所能地 警告世界核武器的危险性。