one and the same thing的意思|示意

For him traveling and arriving are one and the same thing: he arrives somewhere with every step he makes.

对他来说，旅行和到达是一样的事情：他用自己的每一步到达一个地方。

One of them I can doubt to be phosphorus the other one I can't doubt to be phosphorus and there's no way that the same thing can have different properties.

我可以怀疑其中的一个为启明星，却不能怀疑另一个是长庚星，同样的事物拥有不同属性那根本是不可能的。

That allows a person, or a machine, to start off in one database, and then move through an unending set of databases which are connected not by wires but by being about the same thing.

这允许一个人、或一台机器，从一个数据库中开始，然后移动通过一组无尽的数据库集合，这些数据库不是由电线连接，而是由所指的相同事物所连接的。

Whether it's an English-cooked breakfast or a coffee and a sandwich, one thing has remained the same: the prices.

无论是英式早餐还是咖啡加三明治，有一样东西是保持不变的，那就是价格。

Politicians and diapers have one thing in common. They should both be changed regularly, and for the same reason.

政客和纸尿布有一个共同点就是：他们都很有规律地被替换，而且因为同一个理由——脏了！！

Which would you rather have to write and maintain: a big class or a small one that does the same thing?

您希望编写并维护哪一个：一个庞大的类或是具有相同行为的很小的类？