Yeats is obviously writing in the context of an Irish civil war, but it's also the case that he's writing in the shadow of the First World War as well.

叶芝显然是在爱尔兰国内战争时期进行创作的，但是同时他也是在,一战的阴影下写的。

耶鲁公开课 - 现代诗歌课程节选

There developed, in the U.S. In recent years, something called the Shadow Banking System.

美国近年来出现了,一些叫做影子银行系统的组织

耶鲁公开课 - 金融市场课程节选

And so it's a big shadow over the whole damn thing-- incredible.

所以整个事件都被一片阴影笼罩着,不可思议

耶鲁公开课 - 1871年后的法国课程节选