There's every indication that Milton believed, as I had mentioned before, at an unconscionably early age, that poetry was his vocation.

就像我之前说过的，有很多的迹象表明，弥尔顿在很早之前就相信诗人就是他的天职。

耶鲁公开课 - 弥尔顿课程节选

In 2001:A Space Odyssey, we get some kind of indication that there's life on another planet.

太空漫游,一些迹象表明,另一个星球上有生命存在

耶鲁公开课 - 死亡课程节选

There are signs all over the place that this has happened.

广泛的迹象表明这一点的确存在

耶鲁公开课 - 欧洲文明课程节选

Because the Mycenaean centers all reveal for that stretch of time that they're scared. The proof of it comes from strengthening their already quite strong walls in almost all the sites that we see, and also--this is a very important fact.

因为在迈锡尼文明的中心,有迹象表明在一段时期,他们受到了威胁,这样说的证据是,我们发现的几乎所有的遗迹,都在本就很坚固的城墙上继续加固,而且,这是一个很重要的史实

耶鲁公开课 - 古希腊历史简介课程节选