On March 12, 1829, Oxford sent a challenge to Cambridge first.
1829年3月12日，牛津首先向剑桥发出挑战。
In a recent study, Stephen Saunders Webb has presented a formidable challenge to this view.
在最近的一项研究中，斯蒂芬·桑德斯·韦伯对这一观点提出了严峻的挑战。
As yet a challenge to explain the cause-and-effect relationship between sleep and nutrition, there may be a third factor that impacts both of them.
要解释睡眠和营养之间的因果关系，还有一个挑战，那就是可能有第三个因素对它们两者都有影响。
It's as yet a challenge to explain the cause-and-effect relationship between sleep and nutrition. There may be a third factor that impacts both of them.
迄今为止，解释睡眠和营养间的因果关系仍是一个挑战。可能存在第三个因素影响这两者。
I think it is a great challenge to learn the language well.
我认为学好语言是一个很大的挑战。
Severn's questions were a challenge to the world's leaders—questions about why the grown-ups who run the world don't take more care of it and of the people who live in it.
珊文提出的问题是对世界领导人们的一个挑战——为什么掌管世界的成年人不更加关心世界和生活在世界上的人们。
McDonald's started selling better coffee as a challenge to Starbucks.
麦当劳开始销售更好的咖啡来挑战星巴克。
The Discovery story also poses a challenge to emerging markets.
Discovery案例也同时体现出了新兴市场所面临的挑战。
The H1N1 pandemic provided a significant challenge to all countries.
H1N 1流感大流行对所有国家都曾带来巨大挑战。
The huge Gulf-coast oyster presents a challenge to the polite diner.
墨西哥湾沿岸的巨大牡蛎给彬彬有礼的就餐者带来了一个难题。
Some friends can take your self-improvement as a challenge to their worldview.
有些朋友会认为你的自我进步对于他们的世界观是一种挑战。
But even in the medium term the industry is likely to be quite a challenge to manage.
但即使在中期，贷款管理对该行业很可能是一个挑战。
The House of Representatives may pose the greatest challenge to raising the debt ceiling.
国会众议院可能对提高债务上限构成最大的挑战。
Russia has issued a blunt challenge to the West to stay out of its Caucasus backyard.
俄罗斯直截了当地向西方发难，要它们远离俄罗斯的高加索后院。
The new technologies used by counterfeiters have thrown out a challenge to law enforcement.
伪造者使用的新技术给执法者带来挑战。
It is a moment of challenge to cherished beliefs, putting resolutions to a severe test.
这是一个挑战我们坚守的信念的时刻，是对决心的严峻考验。
Mobile devices can present a challenge to users wishing to recall all copies of a message.
移动设备给希望收回消息所有副本的用户提出了挑战。
It's only when the kernel development needs to happen that there's much challenge to it...
只有在需要进行内核开发时，才会遇到一些挑战。
Climate change is a grave challenge to mankind and calls for a concerted international response.
气候变化是全人类面临的重大挑战，需要国际社会合力应对。
Belgium is facing its worst troubles just as the eu confronts the gravest challenge to the euro.
比利时正面临着最严重的问题，而欧盟也面临着欧元最严重的挑战。
The challenge to developers is picking the right set of technologies to provide these services.
开发人员面对的难题就是，如何选择合适的技术集合来提供这些服务。
They beckon from afar, rising dimly in the mists, an elusive challenge to the mathematical community.
他们招手远望，在迷雾中隐约前行，一个数学界的难以逃避的挑战。
The White House still has the freedom to use force against any unexpected challenge to the status quo.
在现状受到任何无预期挑战时，白宫依然有对此动武的自由。
A second challenge to brands has come from generics manufacturers in industries such as pharmaceuticals.
品牌面临的第二个挑战，来自于医药等行业的仿制商品制造商。
Poorly designed and implemented systems may be easy to write but they're a real challenge to support.
粗劣设计的并可执行的系统可能易于编写，但是要对它们提供支持确实是一个挑战。
Poorly designed and implemented systems may be easy to write but they're a real challenge to support.
粗劣设计的并可执行的系统可能易于编写，但是要对它们提供支持确实是一个挑战。
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