英语解释一下!非常感谢!

Three five five O(zero) two seven three three eight

three double five zero (o) two seven double three eight

three hundred fifty five million twenty seven thousand three hundred and thirty eight

three double five o two seven double three eight

现在的美语里面，像这样一长串的数字，都不用double、zero这类的，都是很简单的读的：Three five five O two seven three three eight