理解孩子对他们来说是莫大的希望，当你拍拍他或摸摸他的头，他们就会领会其中的善意，同时也为他们打开了爱的大门。

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

The true adventurer goes forth aimless and uncalculating to meet and greet unknown fate.

"Language is not just a tool for communication; it is a bridge to the soul."

写作是一种不被中断的谈话方式。