—— 请按键盘 空白键 开始游戏 ——

The trade-off between bias and variance is a fundamental concept in machine learning.
The good life is not one immune to sadness, but one in which suffering contributes to our development.
选择怀疑作为生活的哲学,就像选择静止作为交通工具一样。
The past is a foreign country; they do things differently there.