一位旅游者正在美国新墨西哥游览，惊讶于陈列的恐龙骨头。

“这些骨头已经有多长时间有多久历史了？”游客问年长的本当地美国导游。

“准确的说，他有1亿零3年。”

“你怎么能那么肯定？”游客问道。

“嗯，”导游回答，“一位地质学家，来过这儿，告诉我这些骨头有100万年的历史了，这件事发生在三年前而那刚好是三年前的事情。”

An exact number

A tourist was visiting new Mexico and was amazing at the dinosaur bones lying about.

" How old are these bones?" The tourist ascii chen, early native American who served as a guide.

“Exactly. It was 100 million and three years old."

" How can you be so sure?" Inquire the tourist.

" Well," replied the  guide, " A geologist came by here and told me these bones were 100 million years old, and that was exactly three years ago."