翻译以下一段英文文本到中文：
“Artificial intelligence (AI) is the ability of a computer or a machine to think, learn and perform tasks that would typically require human intelligence, such as recognizing speech, making decisions or driving a car.”
“人工智能（AI）指的是计算机或机器具有思维、学习和执行通常需要人类智能的任务的能力，例如语音识别、决策制定或驾驶汽车。”