Rather, their rivalry is itself their raison detre.

相反，较量本身就是他们存在的理由。

And the raison d'etre was Brexit, they got Brexit.

raison d'etre 是英国脱欧，他们让英国脱欧。

In France, who's life expectancy is almost 82 years the term is raison detre.

在法国，平均寿命近乎是82岁，用一个词叫做raison detre。

" There are many legends about the towers, none of them shedding much light on their possible raison d'etre."

“关于古碉有很多传说，但没有一个能说明它们存在的可能原因。”

But the Brexit Party, their raison d'etre was Brexit, and they got Brexit. So why do they exist anymore?

但是英国脱欧党，他们存在的理由是英国脱欧，他们让英国脱欧了。那么他们为什么还存在呢？

But, just while I'm doing this sort of tour de raison of Russia's relationship with non-western powers.

但是，就在我正在对俄罗斯与非西方大国的关系进行这种巡回演出时。

The group’s raison detre was, like NATO, to help its members, but there is less emphasis on defense.

与北约一样，该组织的存在理由是帮助其成员，但对防御的重视程度较低。