And Not Necessary

Proving, or demonstrating to an interrogator, that one is justified is another matter, and not necessary for simply being justified.

对于有道理仅仅来说，证明或展示给一名审问者自己是有道理的是另一件事情，而并不是必要的。

The reach of art-science tie-ups needs to go beyond the necessary purpose of research communication, and participants must not fall into the trap of stereotyping each other.

艺术与科学合作的范围不应局限于科研传播的必要目的，且参与者们必须避免陷入刻板印象的陷阱中。

It is not, in principle, necessary for a biological system to age and die.

原则上来说，生物系统的衰老和死亡都不是必然的。