And grammar is incredibly powerful, because grammar is this one component of language which takes this finite vocabulary that all of us have and allows us to convey an infinite amount of information, an infinite amount of ideas.
而且语法极其有用的， 因为语法是语言的一个这样的组成部分。 它用我们所拥有的有限的词汇 使我们表达无限的信息， 无限的思想。