Pi is a number that never ends.
圆周率π，是个永远写不完的数。
Its digits go on and on, forever.
它的小数位，一个接一个没个头。
Your birthday may hide inside pi.
你的生日，可能就藏在π里面。
Your phone number may be there too.
连你的手机号，也许都在里头。
People have written down millions of its digits.
人们已经写出了它几百万位。
Scientists are still finding new digits today.
到今天，科学家还在往后找新位。
Pi is like a book with no last page.
π就像一本翻不到尾的书。
