"A verdadeira beleza da escrita está na sua capacidade de tocar o coração humano."

The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.

The goal of cognitive science is to explain how the mind works in terms of information processing.

The city is the greatest work of architecture.

"The truth is rarely pure and never simple."

金钱不是唯一的答案，但它的作用非常可观。