American politicians talk about American exceptionalism so habitually that it should have its own key on their speechwriters' laptops.

美国政客们总是习惯性地谈论“美国例外论”，已经到了应该给他们的演讲稿撰写人的笔记本电脑专门配个“美国例外论”键的地步。

To many of them, the wars in Iraq and Afghanistan were expensive fiascoes that shattered their sense of American exceptionalism.

他们中有不少人都认为，伊拉克和阿富汗的战争都是代价高昂的惨败之战，这些战争粉碎了他们的美国例外主义意识。