It is one of the great unsolved mysteries of this century.

这是本世纪尚未解开的大奥秘之一。

《牛津词典》

Will the Internet help explain these unsolved mysteries?

互联网能帮助解释这些未解之谜吗？

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Canada, and Europe have received a great deal of media and even research attention over unusual phenomena and unsolved mysteries.

加拿大和欧洲因为一些不寻常的现象和未解的谜团而受到了大量媒体甚至研究的关注。

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Finally,there's a section that talks more about the unsolved mysteries and particularly the role that the Large Hadron Collider would play in that."

VOA: standard.2010.03.05

These geometric forms present one of the biggest unsolved mysteries in pre-historic exploration.

FORBES: Human Ingenuity: A 100,000-Year-Old Story

Since he fled, Irving's profile has been featured on the TV shows "America's Most Wanted, " "Unsolved Mysteries" and "Real Stories of the Highway Patrol, " according to the Most Wanted poster.

CNN: Convicted rapist caught after nearly 35 years on run

If you like your mysteries unsolved, you can even take the Finnish tour.

FORBES: Guilty Landscapes: Oxford, Ystad, Amsterdam and Sodermalm