PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。

文学是我们永远不会失去的唯一家园。

A writer is someone who pays attention to the world.

"Stories you read when you're the right age never quite leave you. You may forget who wrote them or what the story was called. Sometimes you'll forget precisely what happened, but if a story touches you it will stay with you, haunting the places in your mind that you rarely ever visit."

Leadership in the energy sector requires both vision and adaptability to navigate uncertainty.

2018年8月27日，曼联0-3输给热刺，赛后穆里尼奥面对舆论的质疑，指责记者对自己不够尊重，随即愤然离席。

你必须愿意失败才能成功。

对我们工作的真正考验在几十年后，当它仍然被喜爱和使用时。