One is called symbolic systems, the other is called neural networks.

一种叫做符号系统，另一种叫做神经网络。

So we use symbolic systems every day in classical web search.

所以我们每天在经典的网络搜索中使用符号系统。

Almost all the world's software is powered by symbolic systems.

世界上几乎所有的软件都是由符号系统驱动的。

One system that was difficult to master was a symbolic system used by the ancient Romans to count into the thousands.

其中一个难以掌握的系统是古罗马人用来数到千位数的符号系统。

So symbolic systems are really good at representing facts and they're pretty good at reasoning, but they're very hard to scale.

符号系统非常擅长呈现事实，也非常擅长推理，但是它们很难规模化。

Non-verbal gestures like this are a form of language, which is itself a symbolic system that people within a culture can use to communicate.

像这样的非语言手势是一种语言形式，它本身就是一种文化中的人们可以用来交流的符号系统。

And so, at Stanford, that led me to the major that was called symbolic systems, which is this kind of medley of philosophy, linguistics, psychology, computer science, some mathematical logic.

所以，在斯坦福，这让我选择了被称为符号系统的专业，这是一种哲学，语言学，心理学，计算机科学，一些数学逻辑的混合。