one and the same

基本解释

Ultimately, you’ll realize that pleasure and pain can be one and the same.
最终地，你会认识到苦痛和欢愉可以是一体，可以是一样的。
This is because they are one and the same filesystem; the kernel is simply mapping the filesystem to two different mountpoints for us.
这是因为它们是同一个文件系统；内核只是简单地为我们将该文件系统映射到两个不同的安装点。
So, just as some people who are creative tend to be a little different, so are some people who are mentally ill. And they may often be one and the same, Andreasen said.
于是，正如有创意的人们总会有一点点与众不同，一些精神病病人也一样，他们或许是同一个人，安德瑞森说。

One thing her students discovered is that they liked the same music and activities as many other young people around the world.
We have to assume, though, in the context of a reading of this kind that it's a push toward a state in which the little yellow garage and the unnarratable junkyard are manifest as one and the same thing.
我们只能假设这种阅读的上下文,是在揭示一个状态，那就是黄色车库,和那个没有明说的垃圾场其实是一样东西。
耶鲁公开课 - 文学理论导论课程节选
Situation number two is I take the same number, and I make a row. They are all in one row.
状态二我将采用同样的数字，并且我做了一个箭头，它们全部都在一列上。
麻省理工公开课 - 固态化学导论课程节选

As far as they are concerned, Sunnis and terrorists are one and the same.
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