The scientist's knowledge must be exact. There is no room for half right or right just half the time.

科学家的知识必须精确，决不能来个半对半错或时对时错。

youdao

The scientist's knowledge must be exact. There is no room for half right or right just half the time.

科学家的知识必须精确，决不能来个半对半错或时对时错。

youdao