数据是人工智能的生命线。
Data is the lifeblood of AI.
The beauty of literature is that it allows us to live a thousand lives in one.
The best way to predict the future is to invent it.
To write is to carve words into the flesh of time.
圆的周长大于任何内接等边多边形的周长，小于任何外切多边形的周长。