英語笑話:An Exact Number 準確數字

A tourist was visiting New Mexico and was amazed at the dinosaur（恐龍） bones lying old are these bones? the tourist asked an elderly Native American, who served as a tly one hundred million and three years can you be so sure? inquired the , replied the guide, a geologist（地質學家） came by here and told me these bones were one hundred million years old, and that was exactly three years ago.一位遊客在新墨西哥遊覽，他對隨處可見的恐龍化石甚感驚奇。這些化石有多長的歷史？遊客問一個上了年紀的當地美國人，他是作嚮導的。整整十億零三年了。你怎麼這麼肯定？遊客問道。哦，嚮導回答道，一個地質學家來過這兒，他告訴我說這些化石有十億年了，再加上那是整整三年前的事了。