linger about

基本解释

But the concerns linger about whether the centre of their midfield is good enough.
而关注的焦点依然是曼联的中场是否足够好。
But questions linger about whether the party has the skills to push through its ambitious spending plans in tight financial times.
但对该党是否有能力在财政紧缩的时期推行其雄心勃勃的开支计划仍存在质疑。
Questions linger about how such a large number of searchers could not find the boys and why an investigation team failed to identify murder weapons despite evidence of scars on the bodies.
人们一直很不解：这么多人都参与了寻找为什么最后还是无疾而终呢，为什么调查小组还是无法确定凶器是什么即使孩子们的尸体上有着很明显的伤痕。

So at least for now the influx of Russian wealth in London appears likely to continue, particularly as concerns linger about safety at home.
FORBES: International
It floated only a small portion of its stock, making it more vulnerable to price volatility, but questions linger about Groupon's competitiveness in the crowded market for discounting online.
ECONOMIST: Business this week
Questions also linger about First Solar's cadmium telluride cells.
FORBES: Storm Clouds