The trade-off between bias and variance is a fundamental concept in machine learning.
偏差和方差之间的权衡是机器学习中的一个基本概念。
There is something profoundly mysterious about quantum mechanics that we still don't understand.
犯罪者是病人，而非罪人。
我只是一个喜欢唱歌和表演的女孩。