How exactly the chemical plays a role still remains a mystery.

这种化学物质究竟是如何发挥作用的仍然是一个谜。

youdao

However, the exact cause of many sightings still remains a mystery.

然而，许多目击事件的确切原因仍然是个谜。

youdao

This veteran cadre still remains his philosophy of hard work and plain-living.

这位老干部仍然保持着艰苦朴素的作风。

《新英汉大辞典》

"Especially with the honor killings in the eastern parts. The safety of girls still remains a big problem.

VOA: special.2010.06.24

And I think--This strategy is one I'm very enthusiastic about but there still remains what's sometimes called the "Hard Problem of Consciousness" and this involves subjective experience.

这是我所热衷的策略,但却依然存在着,所谓的"意识难题",而这牵涉到个体的主观感受

耶鲁公开课 - 心理学导论课程节选

So, the concern at this time, and still remains a concern, is that infectious agents, particularly very deadly infectious agents like smallpox, could be weaponized in some way, or converted into a weapon.

当时有一些担心,现在还在担心,这些传染源,尤其是像天花非常具有致命性的传染源,可以进行某种程度的武器化,或者转变成武器

耶鲁公开课 - 生物医学工程探索课程节选

Now production is swinging the other way, although it still remains below recent levels.

FORBES: Autos

We have the Dow at an all-time high, but unemployment still remains stubbornly high.

WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,

He still remains a pretty potent force - of that there is no question.

BBC: So the world rankings have caught up with popular opinion.