I'm the reason your dark won't fade.

The challenge in computational learning theory is to understand the capabilities and limitations of learning algorithms.

The most successful businesses are those that put people first.

农民是我们经济中唯一以零售价购买一切，以批发价出售一切，并支付双向运费的人。

释义：他或许认为，气通过凝聚形成各种物质，万物因此得以成形。

为明天做准备的最好方法就是今天尽力而为。

土地记得人们遗忘的事。