The trade-off between bias and variance is a fundamental concept in machine learning.

Agriculture is not just a business; it's a way of life.

知道自己不知道的比聪明更有用。

We are never afraid of competition, because it makes us stronger.

我们将有一天会明白，死永远不能够夺去我们的灵魂所获得的东西，因为她所获得的，和她自己是一体。