The live-attenuated vaccine is considered the most effective, but there is a worry: what might happen once these viruses wake up?
减毒活疫苗被认为是最有效的，但有一个问题：一旦这些病毒苏醒，会发生什么？
The delay will be a worry for all concerned.
对所有关注的人来说，这一延迟都是一个隐忧。
In Japan, too, excess inventories remain a worry.
同样在日本，存货过量也依旧是个困扰。
Emissions of greenhouse gases and other noxious chemicals are a worry.
温室气体和其他有毒化学品排放令人忧心。
Still, it's a worry that many smokers cite when asked why they don't try to quit.
然而，当被问及为何不戒烟的时候，这依旧是许多吸烟者所顾虑的。
There is not a worry on our minds because we already know the terrain that lies ahead.
我们不会担忧因为我们已经知道前面的路。
It is also a worry for many Venezuelans, who would rather their country avoid big-power politics.
很多委内瑞拉人为此担心，他们宁可自己的国家不被卷入大国博弈。
With so much supply to be absorbed by finicky markets, there is a worry that some bonds may go unsold.
各个谨慎的市场需要吸收如此多的债券，人们担心一些债券可能会没有销路。
I find in talking to people that there is a worry that if they win we will lose, and there is no need for that.
在和人交谈时我觉得大家总是有一种担心，认为他们一赢就意味着我们会输，这种担心没有必要。
This means that the system relies on the honesty of the user about their progress but Baumer says that's not a worry.
{8}这就是说，该系统依赖于使用者是否诚实地汇报自己的进展情况，鲍默说，这一点并不令人担忧。
That is a worry because there is a strong link between the concentration of women in an occupation and the level of pay.
这让人很担忧，因为妇女在一个行业上集中程度与她们薪资水平有着很大的联系。
One thing looks increasingly certain: the relationship between Russia and Ukraine will be a worry for European security.
只有一点越来越明晰：俄乌关系将为欧洲安全制造麻烦。
But he added: "Of course it's a worry when anybody takes it upon themselves to dictate what people should or should not read."
但是他又补充道：“别人擅自做主规定什么人应该或者不应该读什么书，这当然是一件很恼火的事。”
That is a worry for investors who recognise that the global recovery has owed much to the effects of fiscal and monetary stimulus.
认清了全球经济复苏很大程度上归功于财政和货币双重刺激的投资者为此感到忧虑。
The team has experimented with simulated flights using real-time meteorological data. Encountering a headwind at night is a worry.
小组用即时气象数据进行了模式飞行测试，夜间遇到逆风是个麻烦事。
But that's not what people are predicting this time. Absent the stimulus, there is still a worry that there is not much demand out there.
但是这次人们的预测不是这样了，刺激计划结束后，人们还会担心需求不足的情况。
This is a worry because some of the most desirable characteristics of plants are in the wild gene pool and might be needed again one day.
这令人担心，因为有些最珍贵的作物基因就存在于野生植株上，有一天我们可能还需要用到。
And while inflation was a worry earlier this year, peaking at 8.7% in February, consumer prices grew by a relatively modest 6.3% in July.
今年早些时候通货膨胀就已经让人忧心忡忡，在2月时通胀率最高曾达到8.7%，直到7月居民消费价格增长率才稳定在相对温和的6.3%上。
Poland, bolstered by strong domestic demand, will be the only economy in the EU to grow this year (though its rising public debt is a worry).
尽管不断增长的公众负债仍然值得忧虑，但波兰还是凭借着强大的内需支撑而成为欧盟中唯一取得经济增长的国家。
At least inflation is now far less of a worry for policymakers: it has already dropped from a peak of 4% in July to 3.2% in October and is set to fall further.
但至少决策者现在不用过多担心通货膨胀：通胀率已从七月顶峰时的4%降到了10月的3.2%，而且还可能进一步下降。
Until recently this was a worry only for the super-rich, but now many ordinary people fear that, thanks to rising house prices, they may be dragged into paying death duties.
直到最近，遗产税还只是超级富豪的烦忧，但现在由于房价上涨，普通的民众也开始担心自己也会成为征税对象。
"The questions of border security and, in particular, the transit of narcotics across the border from Afghanistan to Iran is a worry that the Iranians have, which we share," she said.
她说：“我们和伊朗一样，对伊朗边界安全问题感到忧虑，尤其是从阿富汗到伊朗跨越边界的毒品转运问题。”
The Norges bank has kept interest rates unchanged since May of last year, but has signaled it may start raising earlier than previously indicated as inflation continues to be a worry.
挪威央行自去年五月起就保持利率不变，但是曾暗示有可能比预期提前提升利率，因为始终无法摆脱通胀的困扰。
Write down your worries in a worry log - If you find that worries are churning around inside your mind, write them down in a notebook or 'worry log,' and then schedule a time to deal with them.
把您的担心写入担心日志——如果您发现担心这种情绪在您的大脑里横冲直撞那么就把它们记录在笔记本或是“担心日志”上，然后再计划一个时间进行处理。
A worry is that politicians' zeal to outdo each other's punitive line on bankers will go too far.
有一种担忧认为，政客们热衷于在施加对银行家的惩罚上胜过彼此的举动可能会过头。
A worry wart in an office environment, for example, may spend most of his or her time fretting over getting laid off or fired.
比如说，办公室里杞人忧天的那些人大部分时间可能都在担心会被裁员或解雇。
A worry journal is where you write down the problems you are thinking about on one side of a piece of paper and a solution to each problem on the other.
所谓担忧日记就是将你正在思考的问题写在纸的一面上，然后将每个问题的解决方案写在纸的另一面上。
A worry is also that the decades of expertise and experience within NASA in operating spacecraft will be lost, and that the commercial companies might stumble as they learn.
有种担忧是NASA可能丢失其数十年运行航天器的专业知识和经验，而商业公司在学习过程中却步履蹒跚。
A worry is also that the decades of expertise and experience within NASA in operating spacecraft will be lost, and that the commercial companies might stumble as they learn.
有种担忧是NASA可能丢失其数十年运行航天器的专业知识和经验，而商业公司在学习过程中却步履蹒跚。
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