That should be a matter of concern in a presidential election year.
在总统选举年,这应该是一个值得关注的问题。
He expressed concern that the ship might be in distress.
他对船可能处在危急状态表示忧虑。
Educators may fear that children hearing two languages will become permanently confused and thus their language development will be delayed; this concern is not documented in the literature.
教育工作者可能会担心听着两种语言的孩子会永远感到困惑,因此他们的语言发展将会延迟;这个问题在文献中是不存在记录的。
He realized that this "teach-in" method would be a useful way for the public to express concern about the environment to federal and state officials.
VOA: special.2010.04.21
My central concern for India is that a large majority of Indians may not be benefit in front of this growth.
我最关心的问题是,面对经济的飞快发展,大多数印度人可能无法获益。
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
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