这是有目共睹的事实。
北京近两年空气质量大有改善，这是有目共睹的。
The air quality of Beijing has been improved greatly in the recent two years, anyone can see that.
尽管有不少人认定，考试能衡量出一个人的知识水平，但实际情况恰恰相反，这是有目共睹的。
Though some people believe that exams could weigh one's knowledge level, the truth is just the opposite, as is obvious to all.
关于你的第二个问题，中方对达尔富尔问题高度关注，同时也发挥着建设性作用，这是有目共睹的。
On your second question, it's witnessed by all that China follows the Darfur issue closely and plays a constructive role.
虽然这是有目共睹的今天每个瓦尔拉斯均衡是帕累托有效的，这是不知道到更复杂的证明在1936年制定了亚伯拉罕沃尔德和约翰冯诺依曼在1938年。
While it is known today that every Walras equilibrium is Pareto efficient, this was not known until more complex proofs were devised in 1936 by Abraham Waldand John von Neumannin 1938.
然而，由于海藻爆发生殖产生的赤潮现象，发生次数却越来越多，这是游泳者、水手、甚至是通过卫星检测海域的人有目共睹的。
Increasingly, though, swimmers, sailors and even those who monitor the sea with the help of satellites are encountering highly visible algal blooms known as red tides.
事实证明，这是一项挑战-每一步都必须计划和演练，每一道划痕、凹痕或难看的焊缝都将‘有目共睹’。
This proved to be challenging - every step had to be planned and rehearsed, for every scratch, dent or unsightly weld would be visible for all to see.
如果用一个词形容德国，那绝对是严谨，用一个形容德国产品，那一定是耐用，这是全球有目共睹的。
Using a word to describe Germany, that must be rigorous, a word for German products, durable.
如果用一个词形容德国，那绝对是严谨，用一个形容德国产品，那一定是耐用，这是全球有目共睹的。
Using a word to describe Germany, that must be rigorous, a word for German products, durable.
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