火速!救急！求专业英语人士翻译，请不要用Google 或百度翻译!非常感谢！（ 文章里词句可以更改。）

How long can the earth exist?This is a problem that can't get the answer.However, it is also worth a let people ponder question.We live the earth, is 4.54 billion years old.This is a very short time for the universe, but for humans is astronomical.So,