"the survival of the fittest," a slogan that virtually preempted all debate.

“适者生存”，一个几乎无可辩驳的口号。

《柯林斯英汉双解大词典》

In dealing with a challenge on such a scale it is no exaggeration to say, "United we stand, divided we fall" and if I had to choose a slogan it would be "Unity in our diversity".

在应对如此规模的挑战时，可以毫不夸张地说，“团结则存，分裂则亡”，而如果我必须选择一个口号，那就是“多元一体”。

youdao

Herstory promoted curricular transformation in schools and was used as a slogan on T-shirts, pencils, and buttons.

Herstory 促进了学校课程改革，并被用作印在 T 恤、铅笔和纽扣上的标语。

youdao

I need a good slogan, and since you'vebeen so inspirational, I thought you mightbe able to help me...

VOA: standard.other

So no harm is done, once we've clarified the question that we're trying to ask, if we summarize that question in a bit of a jargon or slogan.

其实没什么的,一但我们证实了我们,试图想要解决的问题,如果把这个问题用术语或行话简化

耶鲁公开课 - 死亡课程节选

But in recent weeks, that has been replaced by a new slogan "Marg bar Ingles" Death to Britain.

VOA: standard.2009.07.02

And to win it, the battle for the hearts and minds must be more than a slogan.

CENTERFORSECURITYPOLICY: Pakistani nightmare

As NPR's Peter Overby reports living of to a slogan could be a lot harder than coining one.

NPR: Democrats Pledge to Raise Ethics; Experts Await

At the rundown gym where he trains, a slogan inscribed on a beam sums it up: Go for gold.

CNN: A Philippine Tale of Two Brothers