Voice: In language, infinitely many words can be written with a small set of letters. In arithmetic, infinitely many numbers can be composed from just a few digits with the help of the simple zero.
在语言里，一小组字母可以构造出 无穷多的单词。而在算术学中， 几个数字，再加上0， 也可以组合成无穷多的数。