Fingerprints are one important clue in a crime scene.

VOA: special.2010.05.05

No one has a clue on how I can go back from these to that?

难道没人能给出倒求出它们的方法吗

耶鲁公开课 - 基础物理课程节选

There's one very abstruse clue where somebody seems to know something about it, but fundamentally it's an illiterate society and that is a major difference between the world of Homer and the Mycenaean world.

只有一段很艰涩的文字大约表明有人,了解这一点,但基本上,荷马所描绘的世界,是一个文盲社会,这也是《荷马史诗》和真实的迈锡尼世界,之间的主要差异

耶鲁公开课 - 古希腊历史简介课程节选