We kept our eyes skinned for anything that might provide a clue to the mystery.

我们一直注意寻找可能解开这个谜的任何线索。

youdao

Objective To summarize the experience with adapalene in the treatment of acne vulgaris and to provide a clue to improve the clinical use of adapalene in acne vulgaris.

目的 总结阿达帕林凝胶治疗寻常痤疮的临床文献，为临床合理用药提供参考。

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I suggest that perhaps the free inter-relation and interaction among body, language and thinking might provide a clue to experience, understand and create such complexity.

我认为，或许可以透过这三者的交感与互动来体验、思考与创造这样一种复杂性。

youdao

Gmail, a free online e-mail service offered by Google, could provide a clue to the way things are going.

ECONOMIST: Now they have assumed power, what will consumers do with it?

Admittedly, at this point, the ratio was not very high with respect to previous peaks, which might provide a clue as to why the ensuing correction was more modest than prior pullbacks.

FORBES: Four Short-Term Risks To The Bullish Case

That will illustrate for scientists how the crystals in the rock developed, and may provide a clue as to whether water played a role in that development.

FORBES: Curiosity Drills A Hole On Mars