我相信表演的本质是在虚构的情况下真实生活的能力。
I believe that the essence of acting is the ability to live truthfully under imaginary circumstances.
The trade-off between bias and variance is a fundamental concept in machine learning.
The book is a weapon against oblivion.
物理学家是一位探险家，他不满足于停留在已知世界的边界内。