Fortunately, the clue is in the language itself.

幸运的是，线索就在语言本身。

youdao

The words themselves offer the clue as to when best to use them.

这些词本身就为我们提供了何时可以恰当使用它们的线索。

youdao

Diet may hold the clue to the causes of migraine.

饮食习惯有可能揭示偏头痛的起因。

《牛津词典》

The first clue is in the name,HeLa.

VOA: special.2010.07.21

The clue to the flaw is that you can't even call this study an experiment.

何出此言,因为这个研究根本就称不上实验。

耶鲁公开课 - 心理学导论课程节选

Already from the very opening lines we see in this a clue to the theme that is going to follow.

打从一开始,我们即看出这条线索,连系到即将发生的主题。

耶鲁公开课 - 政治哲学导论课程节选

He revised the clue-poem's wording several times over the years, and made other changes in his plans.

NPR: 'I Love Mysteries,' Says Man Claiming Hidden Gold

In retrospect, the clue that Measurement wasn't doing as well as its reported earnings had suggested was there for all to see.

FORBES: Mismeasurement

But a mobile phone then became the clue that uncovered the plot.

ECONOMIST: When everybody becomes a nomadic monitor