This has set the alarm bells ringing in Moscow.
这已给莫斯科拉响了警报。
This has forced airlines to discount fares heavily in order to spur demand.
这已经迫使多家航空公司对机票大幅打折以刺激需求。
All this has been demonstrated in elaborate experiments.
所有这些都在精心设计的实验中得到了证明。
This has needed some urgent work to be done and so will not be open for the next week.
这里现在有一些紧急的工作要完成，所以下周整周都不会开放。
In South Africa, the situation of cycads is getting terrible, but this has drawn little attention from the public.
在南非，苏铁类植物的处境越来越糟糕，但这几乎没有引起公众的任何注意。
We have what at first seems like a pretty attractive theory, but then, how do you explain the fact that this has happened before?
我们提出了一开始看起来很有吸引力的理论，但是接下来，你要如何解释以前也发生过这种情况呢？
Surely everyone reading this has had times when you lie in bed for hours, unable to fall asleep, because your brain is thinking about work.
所有读到这篇文章的人肯定都有过这样的经历：因为脑子在想着工作，躺在床上好几个小时都无法入睡。
A more radical solution is to find new sources of commercial revenue within the terminal, and this has been explored by many airports over the last decade or so.
一个更激进的解决方案是在航站楼内寻找新的商业收入来源，而在过去十年左右的时间里，许多机场都在这一方面进行了探索。
This has led scientists to speculate on the existence of other galaxies.
这就使得科学家推测还有其他星系存在。
This has made many Americans conclude that business ethics is an oxymoron.
这使许多美国人将商业道德归为一种矛盾修饰法。
All this has happened because you couldn't be bothered to give me the message.
就是因为你嫌麻烦没通知我，才出了这事。
But social workers say that this has created a culture of dependency, particularly in urban areas.
但是社会工作者说，这造成了一种依赖习惯，在城区尤其如此。
遗憾的是，这些都没有出现。
This has been called "ping-pong diplomacy".
这被称为“乒乓外交”。
This has been overlooked (忽视) in recent years.
近年来，这一点被忽视了。
However, this has not been done in recent years.
然而，近年来并没有这样做。
This has been proved on IQ tests around the world recently.
这一点最近在世界各地的智商测试中得到了证明。
This has led to the economic development of old revolutionary areas.
这促进了革命老区的经济发展。
This has helped to provide jobs for more than 80,000 local people.
这为当地8万多人提供了就业机会。
Flynn and many other researchers believe this has something to do with technology.
弗林和许多其他研究人员认为，这与科技有关。
Jonny feels like this has come out of nowhere, and now he feels hurt.
乔尼觉得这一切来得莫名其妙，现在他觉得很受伤。
This has caused many problems, such as an increase in obesity and depression among children.
这导致了许多问题，例如儿童肥胖和抑郁症的增加。
This has led to lower water levels on the river, which has caused the river's water to decline.
然而，这导致了河流的水位下降，河流的水量减少。
This has been a big challenge for many students, for it has also helped to make exercise become a bigger part of their daily lives.
这对许多学生来说是一个很大的挑战，因为它也帮助让锻炼成为他们日常生活中更大的一部分。
This has been dubbed "quarterly capitalism."
这被戏称为 “季度资本主义”。
This has presented climate scientists with a puzzle.
这给气候科学家们带来了一个难题。
"Tut, tut, tut," said Slightly, "this has cured her."
“嘘，嘘，嘘，”斯赖特力说，“这把她治好了。”
This has resulted in protests from social scientists.
这引起了社会科学家的抗议。
This has, until recently, reduced robots to fairly static and cumbersome roles.
这使机器人变得静止而笨重，直到最近才有所改善。
If that one is called the land phase, then this has to be called the water phase, right?
如果那被称为陆相，那么这个就必须被称为水相，对吧？
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